exocortex

Plans

Every part, every file

Turn the printed parts round in 3D, download the board files, and read the design notes behind them.

Shell · EXO-140…144

Print orientation, as they sit on the bed. Drag to turn, scroll to zoom.

EXO-140 Crown12.3 h · 153 g PETGSTL · STEP
EXO-141 Band, front4.5 h · 73 g PETGSTL · STEP
EXO-142 Band, back + hub pod15.4 h · 183 g PETGSTL · STEP
EXO-143 Splice tabs (20)2.0 h · 10 g PETGSTL · STEP
EXO-144 Battery cover0.5 h · 9 g PETGSTL · STEP

Boards

A contact board and its controller, pulled apart: the parts are EXO-410 and EXO-420’s own placement.
A contact board and its controller, pulled apart: the parts are EXO-410 and EXO-420’s own placement.

EXO-410 contact board routing in progress, do not order

EXO-420 controller board ready

EXO-420 routed copper
EXO-420 routed copper: 131 traces, 112 vias, 0 DRC errors.
Placement of both boards
Placement of both boards. EXO-410's back: converters at 45° between the nut pilot holes, a buffer behind every pin.

Ball-pins · EXO-5075…5125

The six ball-pin lengths
M1.6 thread, 2.5 mm hex collar, Ø2.0 barrel, Ø1.3 plunger with 1.5 mm travel, Ø3.0 gold ball.

Layout studies

Where v2 might go: boards shaped to the head instead of squares. Interactive, 3D.

Polygon tilesTrapezoids plus triangle fillers in the gaps, every board a different shapeIrregular quadrilateralsThe 16 squares grown into the largest quads that still clear