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I have a new pen concept that I want brought to life for desktop 3-D printing in plastic. The body needs to assemble with simple clip-on / clip-off connections and house a spring-loaded 1.33-inch ball that ejects smoothly and locks back in place. The clip system must balance strength and durability with easy, one-hand operation, and I still want the finished piece to look clean and attractive when it sits on a desk. Because the pen will ultimately be printed in plastic, please work within common FDM constraints—wall thickness, draft angles, and tolerances that keep post-processing to a minimum. What I need from you: • A complete CAD model of the pen and its internal spring chamber, dimensioned for a standard 1.33" ball. • Print-ready STL files plus a STEP (or similar) master so I can tweak minor details later. • Short notes on print orientation, layer height, and any support recommendations for best fit and finish. I’ll test-print each iteration, give feedback on fit and function, and expect at least one refinement cycle to dial in the clip action and overall ergonomics. If that sounds straightforward, let’s get started.
Project ID: 40587435
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77 freelancers are bidding on average $102 USD for this job

Hi there! As someone who is passionate about turning hobbies into work, I can guarantee that my love for 3D printing and design will translate into a pen prototype that exceeds your expectations. I possess extensive knowledge and skills in 3D modelling and rendering, particularly with Solidworks, which will be instrumental in creating the CAD model of your pen. My ability to work with both photopolymer and filament will help me ensure that your design is anatomically accurate and optimally aligned for easy printing. One of the unique advantages I bring to this project is my background in interior design, which demands paying meticulous attention to detail, ergonomics, and aesthetics. This experience combined with my proficiency in programs like 3ds Max, Adobe Illustrator, Photoshop, Marvelous Designer, and Art CAM can greatly assist us in perfecting not only the functional aspects you've described but also the visual appeal of your pen design. Furthermore, throughout my career, I've gained valuable hands-on experience where an iterative approach was crucial for success. This means you can rely on me to respond promptly to all feedback you provide regarding print quality, fit, finish or anything else that allows us to better understand what suits you best. By choosing me as your freelancer
$125 USD in 5 days
7.8
7.8

I can design your 3D-printable pen concept to snap together perfectly and function flawlessly. I specialize in modeling functional, mechanical products designed specifically for FDM 3D printing. I will ensure the clip-on connections and internal spring chamber fit perfectly with your 1.33-inch ball. By working within strict FDM printing constraints, I will eliminate unnecessary post-processing for you. Let's turn your mechanical pen concept into a clean, smooth-working desktop reality. I will build the complete CAD model from the ground up, factoring in proper wall thicknesses, print tolerances, and draft angles so that the parts slide and snap together smoothly right off the print bed. The internal spring chamber will be precisely engineered to house the 1.33-inch ball, ensuring a reliable lock-and-release mechanism. The exterior will remain sleek and visually striking so it looks great sitting on any desk. You will receive the print-ready STL files along with the master STEP files, giving you total freedom to make minor adjustments down the road. Along with the models, I will include clear, straightforward notes on the ideal print orientation, optimal layer heights, and smart support placement to ensure your test prints come out clean on the very first try.
$140 USD in 7 days
7.5
7.5

As a seasoned engineer and CAD designer, I fully comprehend the intricacies involved in bringing innovative designs to life through 3D printing. I have a strong command over tools like AutoCAD, SolidWorks, and more, which will be substantial in providing you with precisely what you are looking for. Combining this with my prior experiences in product design and manufacturing drawings, I can deliver to you not just a CAD model of your custom pen but a print-ready STL files and comprehensive notes on print orientation, layer height and support recommendations that'll make all the difference during your post-processing stage.
$66 USD in 1 day
7.6
7.6

Hi there, Your pen concept with the clip-on/clip-off body and spring-loaded ejecting ball sounds like an interesting mechanical design challenge, and it fits well within our product development work. We would typically approach this by first modelling the core geometry and internal spring chamber to your dimensions, keeping FDM printing considerations like wall thickness, draft angles, and tolerances in mind from the start, then refining the clip action based on your test-print feedback. TRYGVE Studio works across architectural, engineering and product design, with practical experience in CAD-based development for functional parts. Once we understand your preferred file formats, ball fit requirements, and how many refinement passes you're expecting, we can confirm the exact working plan and timeline together. Feel free to message us with any references or dimensions you have, and we can discuss scope and pricing in more detail before you award the project. You can view our profile here: https://www.freelancer.in/u/faisal8071 Regards, Ar. Faisal Saif
$180 USD in 3 days
6.9
6.9

Welcome I MADE MANY SMART DEVICES THAT MANUFACTURED AND USED IN REAL YOU WILL GET IT DONE PERFECTLY IN LESS TIME CHECK MY LATEST REVIEWS > (http://www.freelancer.com/u/ENG1mga) I have previously worked on, Lifting Set of Drones Mechanism, Robotic Arm, Delivery Robot, Automatic Wiring Machine, Solenoid Engines, Car Rooftent, Boat Lift Mechanism, Shoe Treadmill Mechanism Mechanical Ventilator and many other projects. I use Solidworks, Fusion 360, and ANSYS, COMSOL I have a workshop specializing in all 3D printing and CNC machining work, so I strive to provide the highest quality and precision. What you will receive with me: - 2D drawings - 3D files - Complete Tech. Formats - Finite Element Analysis (FEA) (if needed).
$30 USD in 1 day
6.7
6.7

Hey, You are looking for Custom 3D Printed Pen Design "Lets Gets Started, I know you have several tempting proposals here, but I guarantee you to be impressed by my work. I have various skills in design, Illustration, Photoshop, Graphic Design, Logo Design and Illustrator. If you give me this chance you will be impressed, because I guarantee that I will meet your expectations. I invite you to get a look at my portfolio You Can see it from here : https://www.freelancer.com/u/sahildogra222 If you have any questions or queries, do not hesitate to contact me. I hope to start working with you. With regards! SAHIL
$30 USD in 1 day
6.6
6.6

Hello! My name is Daniyar. I'm a professional Designer on Freeelancer.com. Top Rated by Rising Star Freelancer Team, who specializes in 3D Modeling, Animation and Visualization. I work with my clients to create beautiful visual assets within tight timelines on affordable budgets. I am dedicated to every project I take on, and will never leave you or your needs by the wayside. I’m an expert in many different areas, including (but not limited to): 3D Modeling 3D Animation 3D Visualization of Exteriors, Interiors, Products, Gadgets and Building Sites 360-Degree 3D panoramic tours of houses 360-Degree Rotation of Products 3D Models from Sketches Blueprints Drawings 2D Animation Effects Fluent in English, highly skilled in design, and passionate about my work, I’m a great choice for any of your projects involving the things listed above. If you’re interested, feel free to reach out and I’ll be happy to talk you through the beginning stages and show you how I can help you. Thanks, and have a lovely day!
$125 USD in 5 days
6.7
6.7

Hello, I am excited about the opportunity to bring your custom 3D printed pen design concept to life. I have extensive experience in creating intricate 3D models for desktop printing, ensuring that the final product is both functional and visually appealing. I will meticulously design the pen with clip-on/clip-off connections and a spring-loaded ball mechanism that operates smoothly and efficiently. Could you please provide specific details on any preferred color schemes or design elements to incorporate into the pen model? Please have a look at our Freelancer portfolio through the links given below. https://www.freelancer.com/u/CreativeDesign50 Looking forward to collaborating on this project. Best regards, Kirandeep K.
$30 USD in 1 day
6.3
6.3

Hi there, I can manage designing your spring loaded pen concept for FDM 3D printing including the clip on clip off assembly internal spring chamber and secure 1.33 inch ball retention system while providing STL STEP files print recommendations and refinement support after prototype testing I have experience in 3D modeling using 3ds Max, Blender, Maya, and Revit. I can create product models, jewelry designs, or any custom 3D work with high-quality results. You can view my previous work here: https://www.freelancer.com/portfolio-items/10401693-3d-costume-hoodie-render https://www.freelancer.com/portfolio-items/10388215-3d-product-models (All Types of 3D Products & Prototypes) Thanks & Regards, Humayo.
$80 USD in 1 day
6.0
6.0

Hello I can create the detailed CAD model and print-ready files for your pen concept. I am an experienced CAD/CAM designer specializing in CATIA, SolidWorks, and AutoCAD, with over 10 years of professional freelance and teaching experience. I excel at transforming 2D plans into precise, detailed 3D models, creating accurate assemblies, parts, and visualizations ready for manufacturing or prototyping. With my expertise in Part Design, Generative Shape Design (GSD), Drafting, and Assembly Design, I deliver high-quality, production-ready models in STL, STEP, OBJ, or FBX formats. I am detail-oriented, efficient, and committed to exceeding client expectations. Best regards, Mounir
$68 USD in 3 days
5.9
5.9

Hi! I work in Fusion 360 regularly and have delivered FDM-ready parts with snap-fit mechanisms, spring assemblies, and clean consumer aesthetics. Check my Freelancer profile for examples. I will design the full pen body, spring chamber, clip system, and 1.33" ball ejection mechanism, then deliver print-ready STL, STEP master, and print notes covering orientation, layer height, and support placement. Share your concept sketches and I can get started right away.
$120 USD in 4 days
5.4
5.4

3D modeling and printing specialist, I possesse all the skills you need to bring your pen concept to life. With extensive experience designing for FDM, SLA, and DLP technologies using materials such as PLA, ABS, and Nylon – fitting your requirement – I am confident in my ability not only to design a visually appealing pen but also one that is highly functional, durable and optimized for efficient production. Over the years, I have focused on honing my design-to-manufacturing workflow, ensuring that all of my creations are precise, functionally enhanced and have a real world manufacturability. This aligns perfectly with the meticulous process you intend to undertake including the test-printing iterations and feedback cycle for optimal results. My command over major file formats including CAD & Engineering formats (such as STEP, IGES) and 3D Printing & Mesh formats (like STL, OBJ) helps me ensure seamless compatibility with your printing workflows. Together with my software expertise in Solidworks, Fusion 360, AutoCAD among others and my use of slicing & QA tools like Cura and PrusaSlicer ensures quality results throughout our collaboration process. Let's turn your idea into a precise, functional and high quality 3D model!
$36 USD in 2 days
5.3
5.3

Hi, there I hope you’re doing well. I’m a Mechanical Engineer with strong experience in SolidWorks, Fusion360, Inventor, product design, 3D modeling, Printing, and manufacturing drawings. I’ve completed many projects as following: • 3D modeling and mechanical design with functions • Detailed engineering drawings and GD&T • Product development from sketches or new concept idea • 3D printing(STL) and Design for manufacturing (STEP) • High qualitied Rendering I can deliver accurate results and fast revisions, and I always maintain clear communication and reliability. I’d be happy to discuss your project details and start immediately. Looking forward to working with you. Best regards
$100 USD in 2 days
5.2
5.2

Hello, Having spent over 5 years honing my skills in 3D modeling and printing, I'm excited to bring your unique pen design to life. I have extensive experience with a broad range of 3D modeling software such as SolidWorks, Blender and Zbrush that will be utilized to create a precise and dimensioned model of your pen. Furthermore, I am acutely aware of FDM print constraints such as wall thickness and tolerances, ensuring minimal post-processing requirements. This knowledge will be useful in generating the STL files you need as well as the STEP master for any future tweaks. We'd also consider backing up the designs with accompanying manufacturing instructions including print orientation, layer height, and support recommendations. Lastly, I appreciate the value of client collaboration, especially in a project like this that may require tweaks and improvements after the initial prototype. You can count on me throughout the refining process to ensure an elegant yet functional design. Choose me to translate your concept into a tangible reality Thanks!
$30 USD in 3 days
4.9
4.9

Hi, I'm Juli, a 3D design specialist. I've read your job description and I’m confident I can help. I have solid experience with SolidWorks, Fusion 360, and rendering tools like KeyShot. I focus on precision, fast delivery, and clear communication. I understand the requirements of Custom 3D Printed Pen Design and how to approach it effectively. You can also see similar work on my portofolio. Looking forward to hearing from you. Best regards, Juli
$80 USD in 1 day
5.0
5.0

Sir: Your needs are very clear. I use PTC/Creo. I have been doing product design since 2008. I have designed many products and opened molds to complete production and assembly. I have rich design knowledge in mold molding and 3D printing design. Because in the early stage of product development, I need to confirm the prototype assembly through 3D printing before preparing to communicate with the mold processing factory for DFM. Confirm the injection gate position, uniform wall thickness, mold flow analysis, parting line position, etc. The plastic material needs to be determined during product development, because different materials cannot be injected with the same mold. I can respond to your instructions quickly and ensure that the task is completed within the specified time limit. Because all these tasks are completed by me alone. I hope to cooperate with you and serve you. I hope to get your response
$250 USD in 7 days
5.0
5.0

Hello, I reviewed your pen concept, and the main challenge is designing a clip-on mechanism that provides reliable retention while allowing smooth one-handed operation without compromising durability after repeated FDM prints. The internal spring chamber, ball locking system, wall thicknesses, clearances, and assembly tolerances all need to be engineered together so the pen functions consistently while remaining easy to print with minimal post-processing. I have worked on similar mechanical product design and 3D printing projects and can share relevant examples once we connect in chat. Also a quick question, have you already selected the compression spring dimensions, or should the spring chamber be designed around a commercially available standard spring? Best Regards, Muskan
$50 USD in 1 day
5.1
5.1

I'm excited to work with you to bring your pen concept to life. With my skills in 3D design, CAD modeling, and 3D printing, I can help you create a functional and visually appealing pen that meets your requirements. As a freelancer with experience in 3D design, I understand the importance of balancing form and function. I'll work closely with you to ensure that the clip system is both strong and easy to operate, while also meeting FDM constraints for a smooth print process. My approach will be to create a detailed CAD model of the pen and its internal spring chamber, including dimensioning for the standard 1.33-inch ball. I'll provide print-ready STL files along with a STEP master file for future adjustments. Additionally, I'll offer recommendations on print orientation, layer height, and support structures to achieve optimal fit and finish. Let's discuss your project in more detail so we can get started on bringing your pen concept to life!
$30 USD in 1 day
4.4
4.4

Hello, I can design your pen concept as a fully functional, 3D printable CAD model optimized for FDM manufacturing, with a durable clip on and clip off assembly, an internal spring mechanism, and a secure housing for the standard 1.33 inch ball that provides smooth ejection and reliable locking. The design will be developed with proper wall thicknesses, clearances, and print tolerances to minimize post processing while maintaining a clean, ergonomic appearance and dependable functionality. I have years of experience designing mechanical products and 3D printable components, and I can start working on your project immediately and deliver everything within your required timeline. You will receive the complete CAD model, print ready STL files, a STEP master file for future modifications, and clear printing recommendations, including orientation, layer height, and support guidance. I am also happy to refine the design after your test print to ensure the clip action and overall performance meet your expectations. I can share relevant mechanical and product design samples upon request. Best Regards, Muhammad Abubakar Siddiqui
$30 USD in 1 day
4.5
4.5

Hi, Your project is exactly the type of functional product design I enjoy working on. I can design the pen as a fully parametric CAD model with a reliable clip-on/clip-off assembly, an internal spring-loaded mechanism, and a housing sized for a standard 1.33-inch ball. The design will be optimized specifically for FDM 3D printing, with appropriate wall thicknesses, clearances, tolerances, and print-friendly geometry to minimize supports and post-processing while maintaining strength and smooth operation. You'll receive print-ready STL files along with the editable STEP file, allowing future modifications if needed. I'll also include concise printing recommendations covering orientation, layer height, support usage, and any assembly notes. After your first test print, I'm happy to complete a refinement cycle to fine-tune the clip action, ball retention, spring performance, and overall ergonomics until the mechanism functions as intended. I look forward to discussing your concept and turning it into a practical, attractive, and reliable design. Best regards, Mubashir Ali
$40 USD in 1 day
4.2
4.2

Edwardsville, United States
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