{"product_id":"custom-3d-cad-modeling-product-development","title":"Custom CAD Design, 3D Printing \u0026 Aluminum Parts","description":"\u003ch2\u003eOne Studio. Every Step — From Sketch to Finished Part.\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDesigns By Rob\u003c\/strong\u003e is a professional product development and fabrication studio based in Menifee, California. We offer a complete range of engineering and fabrication services under one roof — so whether you need a 3D model, a printed sample, a replicated repair part, or a precision aluminum component ordered and inspected on your behalf, you work with one person who handles it all.\u003c\/p\u003e\u003cp\u003eNo chasing multiple vendors. No guessing on quality. Just professional results with clear communication from start to finish.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e💬 Pricing is based on project scope and complexity. Contact us to discuss your project and receive a custom quote.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eWhat We Offer\u003c\/h2\u003e\u003ch3\u003e📍 Option 1 — CAD Model Only\u003c\/h3\u003e\u003cp\u003eNeed a professional 3D model and nothing else? We'll take your sketch, photo, measurements, or concept and build a precise, manufacturing-ready CAD file in your required format (STL, STEP, OBJ, IGES, and more). Perfect if you already have a manufacturer lined up and just need the design work done right.\u003c\/p\u003e\u003ch3\u003e📍 Option 2 — CAD Model + 3D Printed Sample\u003c\/h3\u003e\u003cp\u003eGet your model designed \u003cem\u003eand\u003c\/em\u003e a physical printed sample in hand before committing to production. We print in \u003cstrong\u003ePLA 2.0, PETG, or TPU\u003c\/strong\u003e depending on your functional requirements — ideal for fit checks, client presentations, or prototype testing. Not confident with measurements? \u003cstrong\u003eShip us your part\u003c\/strong\u003e and we'll handle the measuring and modeling for you.\u003c\/p\u003e\u003ch3\u003e📍 Option 3 — Repair Part Replication (Mail-In)\u003c\/h3\u003e\u003cp\u003eHave a broken or worn-out part you need duplicated? \u003cstrong\u003eMail it in.\u003c\/strong\u003e We'll measure it, model it, and either 3D print a replacement or prepare manufacturing-ready files so you can have it produced in any material. This is ideal for discontinued parts, custom hardware, or anything you can't find off the shelf. No measuring skills required on your end — just drop it in a box and ship it to us.\u003c\/p\u003e\u003ch3\u003e📍 Option 4 — Managed Aluminum Parts Ordering\u003c\/h3\u003e\u003cp\u003eNeed a precision aluminum part but don't want to deal with sourcing a machine shop, reviewing quotes, or worrying about whether the part matches your design? We handle it for you. We design your part, place the order with our trusted CNC manufacturing partners, and \u003cstrong\u003epersonally inspect every part when it arrives\u003c\/strong\u003e — checking dimensions and quality against the model before it ever reaches you. You get one less thing to worry about and the confidence that someone who built the design is verifying the result.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNote: CNC aluminum machining is fulfilled through trusted third-party manufacturing partners. Designs By Rob manages the entire process and performs quality inspection on your behalf.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eAvailable 3D Printing Materials\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePLA 2.0\u003c\/strong\u003e — Excellent detail and dimensional accuracy. Great for prototypes, samples, and display parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePETG\u003c\/strong\u003e — Strong, slightly flexible, moisture-resistant. Ideal for functional parts needing durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTPU\u003c\/strong\u003e — Flexible and impact-resistant. Perfect for gaskets, grips, vibration dampeners, and wearables.\u003c\/li\u003e\n\u003cli\u003eAdditional materials available depending on project requirements — just ask.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eAvailable CAD File Formats\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTL\u003c\/strong\u003e — Optimized for 3D printing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTEP\u003c\/strong\u003e — Universal CAD exchange format\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOBJ\u003c\/strong\u003e — Mesh-based 3D format\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIGES\u003c\/strong\u003e — Industry-standard CAD format\u003c\/li\u003e\n\u003cli\u003eAdditional formats available upon request\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e✅ One point of contact for design, printing, and aluminum sourcing\u003c\/li\u003e\n\u003cli\u003e✅ Manufacturing-ready CAD files with Design for Manufacturing (DFM) intent\u003c\/li\u003e\n\u003cli\u003e✅ 3D printed samples in PLA 2.0, PETG, or TPU\u003c\/li\u003e\n\u003cli\u003e✅ Mail-in part replication — no measuring skills required\u003c\/li\u003e\n\u003cli\u003e✅ Managed aluminum ordering with personal quality inspection on arrival\u003c\/li\u003e\n\u003cli\u003e✅ Commercial projects welcome\u003c\/li\u003e\n\u003cli\u003e✅ NDA-friendly — your designs stay confidential\u003c\/li\u003e\n\u003cli\u003e✅ Organized project files for future revisions or production\u003c\/li\u003e\n\u003cli\u003e✅ Fast, professional communication throughout\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInventors and entrepreneurs developing a new product\u003c\/li\u003e\n\u003cli\u003eEngineers who need a part modeled, printed, or sourced quickly\u003c\/li\u003e\n\u003cli\u003eAnyone with a broken part they need replicated — just mail it in\u003c\/li\u003e\n\u003cli\u003eSmall businesses needing custom components without managing multiple vendors\u003c\/li\u003e\n\u003cli\u003eMakers and hobbyists who want professional-grade results\u003c\/li\u003e\n\u003cli\u003eManufacturers needing a reliable design-to-part pipeline\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eHow It Works\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eContact Us \u0026amp; Choose Your Option\u003c\/strong\u003e — CAD only, design + print, mail-in replication, or managed aluminum ordering. Not sure? We'll help you decide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubmit Your Project\u003c\/strong\u003e — Share sketches, photos, measurements, or mail us the physical part. We'll review and provide a quote.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign \u0026amp; Approval\u003c\/strong\u003e — We build your CAD model and share it for your review before any fabrication begins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFabrication or Ordering\u003c\/strong\u003e — We print your part, or place and manage your aluminum order with quality inspection on arrival.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDelivery\u003c\/strong\u003e — Your finished files or parts are delivered to you, organized and ready to use.\u003c\/li\u003e\n\u003c\/ol\u003e\u003chr\u003e\u003ch2\u003eRevision Policy\u003c\/h2\u003e\u003cp\u003eEvery project includes \u003cstrong\u003eone revision\u003c\/strong\u003e at no additional charge, defined as a reasonable modification within the original project scope. Additional revisions or significant scope changes are available at an agreed-upon rate. We'll always communicate clearly before any additional costs are incurred.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eShop Policies \u0026amp; Important Information\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDesigns By Rob\u003c\/strong\u003e is proudly based in Menifee, California, USA. We reserve the right to decline any project at our sole discretion.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWe do not design, model, print, or source:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFirearm components or weapon parts\u003c\/li\u003e\n\u003cli\u003eIllegal accessories or prohibited devices\u003c\/li\u003e\n\u003cli\u003eParts intended for unlawful use\u003c\/li\u003e\n\u003cli\u003eAny item that violates applicable local, state, federal, or international laws\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWe do not knowingly assist with projects that infringe on patents, trademarks, copyrights, or other intellectual property rights. Customers are responsible for ensuring they have the legal right to reproduce or manufacture any part they submit. By placing an order, you acknowledge that your request complies with all applicable laws and regulations.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I just get a CAD file without any printing or manufacturing?\u003c\/strong\u003e\u003cbr\u003eA: Absolutely. Option 1 is CAD design only. You'll receive your manufacturing-ready file(s) in your chosen format, ready to take to any manufacturer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I mail in a broken part to be replicated?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Just ship us the part and we'll measure, model, and replicate it. No measuring skills needed on your end. Contact us before shipping to confirm the process and get our mailing address.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How does the managed aluminum ordering work?\u003c\/strong\u003e\u003cbr\u003eA: We design your part, place the order with our trusted CNC manufacturing partners, and inspect every part when it arrives to verify dimensions and quality against the model. You get a verified, ready-to-use aluminum part without dealing with a machine shop directly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Do you outsource the aluminum machining?\u003c\/strong\u003e\u003cbr\u003eA: Yes — CNC aluminum machining is fulfilled through trusted third-party manufacturing partners. What sets this service apart is that Designs By Rob manages the entire process and personally inspects every part on arrival, so you're not left wondering if the part matches the design.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What materials do you print in?\u003c\/strong\u003e\u003cbr\u003eA: Our primary materials are PLA 2.0, PETG, and TPU. Additional materials may be available — just ask.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use the files commercially?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Commercial projects are welcome. Please mention this when submitting your project.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Do you offer NDAs?\u003c\/strong\u003e\u003cbr\u003eA: Yes. We are NDA-friendly and happy to sign a non-disclosure agreement before project discussions begin.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Will you design or manufacture firearm or illegal parts?\u003c\/strong\u003e\u003cbr\u003eA: No. Designs By Rob does not design, model, manufacture, or print firearm components, weapon parts, prohibited accessories, or any item intended for illegal or unsafe use. Every project is reviewed before acceptance to ensure it complies with applicable laws and our company policies.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eReady to Get Started?\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhether you need a 3D model, a printed sample, a replicated repair part, or a precision aluminum component — Designs By Rob handles it all. One studio, one point of contact, professional results.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eContact us today to discuss your project and receive a custom quote.\u003c\/p\u003e","brand":"Designs By Rob","offers":[{"title":"Default Title","offer_id":55920712646948,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/7733\/2004\/files\/4a59327a-8487-48c3-9059-ac234bf1360d_90bed1c5-78ab-4220-b176-11fa2d0593c3.png?v=1785103766","url":"https:\/\/made-by-rob-2.myshopify.com\/products\/custom-3d-cad-modeling-product-development","provider":"Designs By Rob","version":"1.0","type":"link"}