Surfaces stay surfaces
Faces are tessellated on the GPU from the exact patch, per frame, to a pixel budget you set. Zoom in and a cylinder is still a cylinder; nothing is re-meshed and there is no LOD to pop.
I build CAD tools
Read, model, write
Readers for seven formats, a B-rep kernel with booleans, fillets, shells and sweeps, a mesher, a STEP writer. Two shared libraries, one C ABI, a wrapper per language.
I draw CAD in a game engine
Open a STEP at runtime
The same libraries under a plugin for Unreal 5.8 and a package for Unity. No editor, no cooking step, no import.
Game engines →
I just want to look
Drop a file on a page
The viewer runs in your browser and the file never leaves it; it is also an app for phones and tablets (free, with a paid edition that exports) and, in two flavours, for the desktop. The forge draws exact solids from curves you sketch.
Try the viewer → Open the forge →
Draw
Build
Booleans, fillets, shells — as B-reps
Join, cut, fillet, chamfer, shell, sweep, loft and taper produce exact topology, not triangle soup. The part pictured is a join, a cut and a fillet in one solid, written back to an AP203 STEP; the forge does it live as you drag a curve.
Ship
In a packaged build, on a worker
The Unreal component loads a document, synchronously or on a worker, and draws it as one primitive with per-node transforms, colours, picking, LOD and fitted collision. The same C ABI sits under Unity, the desktop viewer and a Python module.
Status
The two libraries ship: the SDK at github.com/rdeioris/cadaclysm-sdk fetches them for your machine, with wrappers for Python, C#, Go, Java, Node.js, Rust, Swift and LuaJIT. Try them without a license; buy per seat or per server to ship. The Unreal plugin and the Unity package are not on their marketplaces yet; the crates are proprietary and not on crates.io.
Questions, models that will not open, ideas: the Discord server is open to everyone, and every license comes with support — by email and in a private channel there. Also today: open a file in your browser, sketch and build in the forge, and write to us at info@blitter.studio about the plugins or an enterprise licence.