STEVEMIT
steve/t-slot-extrusion
T-slot aluminium extrusions with real cross-sections (2020, 2040, 3030, 3060, 4040, 4080; slot 5, 6, 8), any length.
STEVEMIT
steve/extrusion-corner-bracket
Corner bracket envelope for 2020, 3030 and 4040 extrusions: two flat legs at a right angle (simplified, no holes).