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The prop handle — a project across the bench family

Every craft site teaches its own thing. This is the first project on the bench family that refuses to stay in its own lane: a prop handle built across four benches — laser-cut, leather-wrapped, knotted, beaded and lit — because the real builds don't stop at any single tool's edge.

Stage 1: the core (here, at CosNFX)

The prop handle starts as a foam core. The EVA foam guide covers the thickness rules (2 mm for detail, 5 mm for the main form), the bevel-and-burnish seam trick, and the heat-forming window where the foam softens, takes the curve and remembers. The planner's rule: printing + smoothing + painting wants three weekends per big piece — start the con countdown first so the calendar carries the build.

The core gets its LED strip before the leather covers it: the LED guide's battery math (a 10,000 mAh bank on a 1 A build is ~7 hours), the inject-every-2 m rule, and the diffusion channel that turns raw dots into a clean glow.

Stage 2: the leather template (fabricationbench)

The leather wrap's stitch holes need to land on the corners — the saddle-stitch guide carries the spacing arithmetic (7 SPI irons space at 3.63 mm), and the never-cut list tells you what the laser won't touch. The stencil prints at true size (the laser bench's whole promise), and the kerf measure spaces the toolpaths so the stitch layout is the right one for your actual iron.

The laser bench's tools page runs the spool math (1.75 mm PLA ≈ 2.98 g/m, a kilo ≈ 335 m) and the drying table (PLA at 50°C for 8 hours) for the core that carries the leather.

Stage 3: the leather and the knots (mandrelbench)

The saddle stitch runs the seam (the saddle-stitch guide's thread formula: 2 + 2 × thickness × SPI inches of thread per inch of seam). Then the Turk's head covers the transition: leads × bights decide the cords (gcd), the crossings count ((leads − 1) × bights), and the grid walks you pass by pass.

The knot grid prints one circumference wide, wraps round the mandrel (the handle), and the over-under coding by row is how the Gaucho knits across the leather's edge.

Stage 4: the bead accents (beadbench)

Beads sit at the transition from leather to foam where a clean break matters. The seed size chart names the right aught (6/0 for chunky wraps, 11/0 for detail rows), the grams table answers the tube count (Delica 11/0 at 200/g), and the color lab picks the accent that sits opposite the leather's brown on the wheel.

Stage 5: the mead (culturedbench)

The mead is what you drink when the prop hits the con floor. The fridge checkpoint at the plan's end runs the same date-written-beside-each-checkpoint discipline the LED planner carries. The prop handle, the mead: same family, same bench crew.

The series continues on the next bench, whichever build comes next — the family's rule, started here: measure the handle, cut the leather, tie the knot, bead the accent, drink the mead.

Hang the mask. — the workshop crew