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The DXF file format has carried 2D CAD drawings between programs since 1982. See what a DXF file contains and how to open, create, convert and fix one.

What’s the difference between STEP and STL files? A simple guide to how each works, where each is used, and which to choose for your project.

Looking at Fictiv alternatives? Fictiv is fast but picks the shop for you. Here are 7 platforms that let you compare quotes and choose the factory.

Thomasnet competitors for buyers who need prices, not just names. Find the platform that gets you comparable quotes and proof a supplier can deliver.

Looking for a PCBWay alternative? Compare 7 PCBWay competitors on quoting, tolerances and lead times for custom CNC, sheet metal and molded parts.

Outgrown JLCCNC prototypes? Compare 7 JLCCNC alternatives on quoting, tolerances, batch pricing and who makes the part to find your CNC production partner.

Looking for sites like Alibaba? Compare 7 Alibaba alternatives on supplier vetting, quoting and fees, and find the best fit for your industrial parts.

Wondering what file format for CNC machine projects to use? Learn when to choose STEP, DXF, IGES, STL, and other CAD formats. See the full guide.

What is an IGES file format, and why does it open as surfaces? Learn how the IGES file works, which export setting to pick and what to send with it.