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A cradle chassis for building a 3S (or 3P) 18650 pack: three 18.9 mm teardrop bores on 21.5 mm centres hold the cells in two 8 mm end collars plus a mid saddle, leaving both terminals flush with the outer faces at exactly 65 mm so nickel strip can be welded straight across. 82 x 68 x 34 mm, with raised + / − polarity ribs above each bore alternating for series wiring, four 3.4 mm M3 clearance holes to bolt the pack into a project, and four 12 x 5 mm zip-tie slots through the 3.5 mm base.
A four-bay bench or wall caddy that stands RC LiPo packs upright, each bay 34 x 28 mm (fits packs up to about 33 x 27 mm in cross-section — the usual 2S/3S 1300–2600 mAh class) with a dedicated 10 mm rear channel per bay so the balance lead drops over a 36 mm divider wall and its plug hangs isolated from the neighbouring pack's main leads. Overall 148 x 47 x 52 mm, with a push-up window under each bay and two M4 clearance holes (4.5 mm) through the 4 mm back wall for wall mounting.
A 44 mm square block with four through-bores (18.7 mm, on 20.6 mm centres) that holds four 18650 cells upright, parallel and bottom-flush against the bench so nickel strip lands square during spot-welding or pack glue-up. Open-topped grab notches — one per cell, in 4-fold symmetry — let you spin a cell to set polarity, and two 5 mm ears with M3 clearance holes bolt the jig to the bench; overall 68 x 44 x 26 mm.
A 120 mm bench-top miter box with guided 90° and left/right 45° saw slots for cutting trim, dowels, and small stock by hand. The channel takes pieces up to 34 mm wide and about 20 mm thick, and two counterbored holes let you screw or clamp it to a bench.
A sealed shop bank that swallows used utility-knife blades, snap-off tips and razor blades through a narrow funneled slot in its peaked roof, so they never end up loose in a drawer or trash bag. 58 x 42 mm footprint, 54 mm tall, holds a few hundred blades before you tape the slot and dispose of the whole thing.
A gravity-fed dual-channel dispenser that stacks 6 AA and 8 AAA cells and drops the next one into a front grab window with a retaining lip. Stands 92 mm tall on a shelf or screws to a wall through the two rear ears.