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Hardware

AAA Cradle Insert + Base Plate — Splitting the Stack into Three Parts

Up to this point the Rev 2 stack has been either three pieces (base + middle-platform + top-cover) or two pieces (base-v3-2piece + top-cover). This session adds a fourth design path: a drop-in AAA cradle that lives in the cover's negative space, plus a shallow base plate that snaps into the cover via four corner pegs. The middle platform goes away entirely; what was carried by the base now gets carried by the cradle insert and the base plate together.

TP4056 Charge Board Integration — Cradle v2, Base Plate v2, Cover Update

The AAA cradle insert and base plate from this morning's print session worked mechanically, but the TP4056 USB-C charge board had nowhere to live. This session extends the enclosure 3 mm on the -X side, redesigns the connecting block to hold the charge board, adds battery retention troughs to the base plate, and cuts a USB-C port hole through the cover.

Rev 2 Top Cover — Windowed, Bullnosed, Tapered

The companion top piece to the Rev 2 "extended with joystick" base. Outer footprint 91.5 × 44mm matches base-v1 and middle-platform-v1 so the M3 through-bolts line up through the full stack. It combines two Rev 1 patterns — a curved bullnose top from top-cover-v3-rounded-top and a display slide-in housing with ±Y snap rails from top-plate-windowed-v1 — plus a new tapered joystick through-hole on the +X half of the face plate.

Rev 2 "Extended with Joystick" — a Purpose-Built Base

Parallel track to the 5-piece sandwich enclosure: a standalone base designed around the extended-with-joystick layout. Battery sits flat on the left half, the ESP32 board stack sits on the right and overhangs the battery top by 2mm, two USB-C ports punch out the +X wall, and the whole thing drops into four M3 corner pillars.