Pre-orders:
Electronics from Helder: https://heldergametech.com/shop/mintypi/mintypi-v3-pcb-kit/
Battery from Helder: https://heldergametech.com/shop/mintypi/mintypi-v3-battery/
3d-printed parts from wermy: market.sudomod.com/mintypi-v3-3d-printed-parts
Custom silicone buttons from wermy: market.sudomod.com/mintypi-v3-buttons