Show HN: Nasscad – local-first 3D CAD for browser and Windows

Nasser-13 24 points 23 comments October 28, 2026
www.nasscad.com · View on Hacker News

Discussion Highlights (6 comments)

jqpabc123

At first glance, this looks really impressive.

SoKamil

Which modeling kernel does it use?

Mashimo

Just a one minutes test: * Mouse over text takes too long, it should be visible instant. When I'm searching for a tool I don't want to wait 500ms for each symbol * Even empty it feels more laggy then onshape on same device / browser. * When I did a boolean operation there is no popup or similar where I can choose the tool and target. It's all based on selection order? How do I choose 2 tools and one target, or the other way around. And it's all based on a single 16 000 large c++ file? https://github.com/Nx-Nass/NassCAD/blob/main/MEDUSA_SOURCE/n... wut? That whole repo seems a mess.

RobotToaster

I'm not sure if it's crashed or just very slow, but I've been waiting several minutes to preview a fillet on a cylinder end.

fedpost

I'm glad people are working on this. The open source CAD world is not doing well (not you Blender<3) and even if you're willing to pay the big bucks for any of the proprietary options, they won't run on Linux without rather high levels of applied violence. That leaves cloud only options like on-shape which means they get to hold your project files hostage. I'm not sure why any business has ever come to the conclusion that losing control of their design work is acceptable but here we are.

syntaxing

I had really good results with using Solidcraft ( https://solidcraft.io/ ) for home stuff. Does 99% (I use solidworks makers for the remainder 1) of what I need and has a MCP connection which makes it fun. They use Nvidia’s recently open sourced BREP engine but Solidcraft is porting it to Rust.

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