Tool throat LED

CAD stick-on templates, polycarbonate sheet & LED module
knoba - tool throat LED

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Module detail, 240v ac in, 20w out
knoba - tool throat LED

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All 8 holes drilled, cut out centre with fret saw/coping saw
knoba - tool throat LED

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Machined with laminate trimmer (small router)
knoba - tool throat LED

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All cleaned up. Lens (top), body (left) & module (right).
knoba - tool throat LED

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Very slim profile, very bright.
knoba - tool throat LED

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knoba - tool throat LED

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What’s in the CAD file…
knoba - tool throat LED

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Materials:
1 x 75x50x10 mm (3"x2"x3/8") polycarbonate sheet
1 x 75x50x3 mm (3"x2"x1/8") polycarbonate sheet
4 x M3x20 mm (1/8"x3/4") pan head machine screws
2 x lengths 7/0.2mm insulted wire (to suit connection distance)
1 x length heat shrink (to suit connection distance)
1 x small cable tie

nb. plastic sheet was recycled from computer monitor diffusers

Note: 1Amp in line fuse on live side. Use dpdt if switched.

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knoba - tool throat LED

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knoba – Tool throat LED – 2018.dxf

Ebay – Smart IC Driver 20W LED COB 220V

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Usb magnifier

Great bit of kit, bought from Ebay, but plastic lens was very poor.
knoba - usb magnifier

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Lens taken from broken camera, ground diameter with diamond disk.
knoba - usb magnifier

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Maplin drill converted cable entry to 2.5dc connector.
knoba - usb magnifier

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Optic holding flange (white plastic); increased the depth to suit new lens with diamond disk.
knoba - usb magnifier

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My “goto” tool for component markings.
knoba - usb magnifier

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knoba - usb magnifier

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Van cab steps

Left; Hammer-formed finals (4mm thick, ground, beaten & polished).
Centre: Hardwood bucks routered from decking off-cuts.
Right: Original plastic steps (loading caused rust in underlying structure).
knoba - van cab steps

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No annealing required. Machined nylon66 interfaces stuck with PU sealant.
knoba - van cab steps

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Fixings are M8 stainless countersunk bolts & M8 square weldnuts.
knoba - van cab steps

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themetalstore.co.uk – aluminium 5 bar checker plate

duckduckgo.com – square weld nuts

wikipedia.org – Nylon 66

Sikaflex – EBT+ polyurethane adhesive

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Not bosch’s HSS twist drill bits for plastic

knoba - not boschs hss twist drill bits for plastic

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Tip angle 60°, flat 4° rake, clearance angle 12°
knoba - not boschs hss twist drill bits for plastic

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Plier Rack

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The Plastics Distributor and Fabricator – Drill Grind Geometry

knoba – Plier Rack

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Screwdriver Rack

Screwdriver Rack

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Screwdriver Rack

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Screwdriver Rack

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Screwdriver Rack

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Screwdriver Rack

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Screwdriver Rack

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Screwdriver Rack

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Screwdriver Rack

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Screwdriver Rack

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knoba – Screwdriver Rack – 2014.dxf (link below)
Screwdriver Rack

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Perspex – Fluorescent Cast Acrylic Neptune Blue 7T97

knoba – Screwdriver Rack – 2014.dxf

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Plier Rack for electronics bench

Plier Rack

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Plier Rack

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Plier Rack

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Plier Rack

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Plier Rack

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Plier Rack

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Plier Rack

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Plier Rack

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Upgraded: 25mm x 2mm self adhesive foam strips for tweezer base
Plier Rack

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Plier Rack

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knoba – Plier Rack – 2014.dxf (link below)
Plier Rack

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Perspex – Fluorescent Cast Acrylic Neptune Blue 7T97

knoba – Plier Rack – 2014.dxf

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