CAD Design / Design and CAD Service
Prototype Design Under NDA
Turn your confidential idea, sketch, or drawing into a production-ready 3D file with prototype design under NDA.
Zagnat handles sensitive prototype design under NDA, converting your initial concepts into accurate CAD files while maintaining strict confidentiality throughout the process.
From Sketch to 3D File
Share your hand-drawn sketches, napkin ideas, or basic drawings. We create clean, editable 3D models suitable for prototyping, 3D printing, or further engineering.
How It Works
- Submit your sketch or drawing along with any notes.
- Sign the NDA if required before work begins.
- Receive a 3D file in STL, STEP, or OBJ format.
- Review and request revisions as needed.
Project Fit
Ideal for inventors and product teams who need early-stage prototype design under NDA before moving to tooling or manufacturing. $200 project minimum applies.
Review a 3D Project Example
Upload your sketch or drawing to begin prototype design under NDA.
Helpful Zagnat Services for This Request
Many projects need more than one step. A quote request may involve design cleanup, scanning, file repair, material selection, prototype planning, or production review before a final path is clear.
Need Local CAD Design Support?
Need local cad design support? Explore Zagnat service areas to see where Zagnat works with customers on printing, scanning, modeling, CAD, reverse engineering, prototyping, and file-ready project support.
Related Service Pages
These related pages can help when your project also needs design cleanup, scanning, modeling, file repair, prototyping, or production support.
- 3D Printing, Scanning, Modeling, and Prototyping Services
- Custom Prototype Design Service | Zagnat CAD Design
- Product Design 3D Modeling | Zagnat CAD Design
- Convert Sketch to 3D Model | Zagnat CAD Design
- Prototype Mold for Product Idea | Zagnat Rapid Prototyping
- CAD File Conversion Service | Zagnat CAD Design
Common Questions
What file types do you accept?
Upload sketches as PDF, JPG, or PNG. We deliver STL, STEP, OBJ, 3MF, or IGES files.
How long until I receive a quote?
Initial pricing is typically emailed within 24-48 hours once project details are provided.
Start Your Project
Ready to start? Upload your files or request a quote for prototype design under NDA.