⚠ Under heavy construction

As of July 11, 2026, Sorter V2 is not yet in a position to be built.

The documentation that exists is incomplete. Any given page may be accurate, inaccurate, present only as an example, or badly out of date. We do not yet recommend that anyone attempt to build Sorter.

For the most live updates on our progress, join our Discord ↗.

Distribution — Bin frame

Bin frame

The layers of bins, each built flat and on its own. Layer count is N (however many bin layers your machine has, not the total number of bins); build in this order.

Author Spencer

The bin frame is the stack of hexagonal layers that makes up the body of the machine: each layer carries one chute-and-bin pair that catches pieces routed to it as they come down from distribution above. The bottom interface hangs underneath the bottom layer, and the stack is capped by Top interface.

Every bin layer is the same layer. The lowest one differs only at floor level, where a longer extrusion carries on down to a caster instead of stopping, so an N-layer machine is N−1 regular layers and 1 bottom layer. Each is built flat, on its own, and they are joined into the tower afterwards on Stacking the layers.

  1. Build the hex frame. The shared hexagonal ring. Build N+1 of these first: one per planned layer, plus one for the top interface. The bottom interface does not need one.
  2. Regular layers. Build N−1 of these, one per bin layer except the lowest.
  3. Bottom layer. The remaining layer, on the foot extensions the casters mount to. Build one.
  4. Bottom interface. The Lazy Susan the bottom of the chute stack sits on. Build it on the bench whenever you like; it is fitted at the very end, after the chutes are in.
  5. Bin retainers. The same twelve rails on every bin layer. One pass per bin layer, the bottom one included.
  6. Top interface. Outside this section, but takes one of the hex frames from step 1 and caps the stack.

Once every layer is built, Stacking the layers joins them into the tower.

The finished result

Each page ends in one of these.

A finished hex frame from above: six spokes and their printed crossbeams forming the inner ring inside the aluminum outer hexagon, with a printed corner bracket at each of the six vertices
Hex frame. Photo: BrickCycleAlice.
A finished regular layer from above: the hexagon of extrusion with its spokes and crossbeams, and a vertical support capped by an External bracket — bottom vertical standing at each of the six corners
Regular layer. Photo: zed0.
One corner of the bottom layer seen close up from above: the External bracket — bottom vertical standing on the collar with the end of piece D recessed in its square socket, the foot cover below the frame, and the caster under that
Bottom layer, one corner. Photo: BrickCycleAlice.
Top-down view of the assembled hexagonal layer frame with three Lazy Susan extrusion mounts fitted at alternating spokes
Bottom interface. Photo: BrickCycleAlice.
Bin retainers fastened to the outer faces of the hexagon frame, a pair either side of the joint between two A extrusions
Bin retainers. Photo: zed0.