Test lead rack

Copper, brass, stainless, aluminium. It rotates.
knoba - Test Lead Rack

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Aluminium top tray & forming buck
knoba - Test Lead Rack

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Buck formed. Aluminium top tray formed
knoba - Test Lead Rack

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Brass upper rack and shaping forms
knoba - Test Lead Rack

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Complete assembly
knoba - Test Lead Rack

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Machined & beaten copper bolt, tray, turned copper spacer
knoba - Test Lead Rack

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Drive screws, machined & shaped brass rack piece
knoba - Test Lead Rack

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Machined aluminium wheel, copper spiky things, brass & stainless tynes, copper nut, m6 grub screw
knoba - Test Lead Rack

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Copper spiky things
knoba - Test Lead Rack

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Assembled
knoba - Test Lead Rack

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Upside down
knoba - Test Lead Rack

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Fitted to my electronics bench
knoba - Test Lead Rack

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Sumptuously disposed with test leads
knoba - Test Lead Rack

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Tray carrying nik-naks & bits
knoba - Test Lead Rack

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Cad file below
knoba - Test Lead Rack

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knoba – Test Lead Rack – 2016.dxf

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Fender j bass saddle mod

My 2002 Fender Jazz bass…
knoba - fender j bass saddle mod - 01

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Added brass caps between each saddle element, without altering original guitar hardware…
knoba - fender j bass saddle mod - 02

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Made from 20 thou brass sheet, punched out 13mm circles & spun into caps on lathe…
knoba - fender j bass saddle mod - 03

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Better right-hand finger spacing, still within fret board range…
knoba - fender j bass saddle mod - 04

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Better pickup string/pole positioning & no more floating saddle…
knoba - fender j bass saddle mod - 05

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Fender – Musical instruments

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Emery roll dispenser

Made out of scraps around the workshop: 4mm & 6mm plywood, 10x26mm pine, 4mm rosewood dowels, stainless steel sheet, mild steel pins, nylon 66, brass rivets with a linseed oil finish…
knoba - Emery roll dispenser

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A little flourish around the hinge area…
knoba - Emery roll dispenser

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Nylon feed rollers.
knoba - Emery roll dispenser

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Sprung cams trap the emery, but allow it to be pulled out easily
knoba - Emery roll dispenser

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Lids are hinged for refills…
knoba - Emery roll dispenser

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Now fitted with the added possibility of a tea shelf…
knoba - Emery roll dispenser

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knoba – Emery Roll Dispenser – 2015.dxf (link below)
knoba - Emery roll dispenser

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knoba – Emery Roll Dispenser – 2015.dxf

knoba – Folding bar

WorkShopShed – Home site

Homemadetools.net – Online tool maker community

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Optical centre punch

View of the CAD file & assembled materials (brass, medium carbon steel & acrylic)…
knoba - optical centre punch

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All machined to stated dimensions.
knoba - optical centre punch

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Loupes’ internal bore has been reamed.
knoba - optical centre punch

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Polished rings at ends and grained through body for finish & finger grip.
knoba - optical centre punch

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Recess for rubber ‘o-ring’ to stop the loupe slipping out of position.
knoba - optical centre punch

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Centre punch is being soaked (the punch is at the front & the bits at the back are for another project).
knoba - optical centre punch

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Punch is going to be quenched in old engine oil.
knoba - optical centre punch

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View through loupes’ optic.
knoba - optical centre punch

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CAD drawing below is for another project and the reason I wanted to make this tool.
knoba - optical centre punch

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O-ring fitted and held in place with epoxy glue.
knoba - optical centre punch

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Tool needs a case to protect the optic and keep the tool together.
knoba - optical centre punch

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Looking forward to using it for the next project…
knoba - optical centre punch

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knoba - optical centre punch

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Cross-hairs were scored on the lathe and highlighted with a blue sharpie pen.
knoba - optical centre punch

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knoba - optical centre punch

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knoba – Optical Centre Punch – 2015.dxf (link below)
knoba - optical centre punch

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knoba – Optical Centre Punch – 2015.dxf (updated)

With thanks to “PJ’s” at PJ’s – Home

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Head knives

Head knives for cutting & skiving leatherwork.
knoba - head knives

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Made from spalted silver birch, brass & medium carbon steel alloy, mirror polished with beeswax finish.
knoba - head knives

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Donor steel from old saw blade (old non tct blade). Took 2 teeth off to see if the metal could be hardened.
knoba - head knives

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Heated both teeth to cherry for 3 min, quenched one & left other to cool.
knoba - head knives

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My quenching bucket. Spark tests (grinding) on the 2 teeth gave good results.
knoba - head knives

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Cleaned up both sides with abrasives (flap wheels, silicon carbide discs, etc.).
knoba - head knives

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Stuck my templates to the blade…
knoba - head knives

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Cut them out with angle grinder.
knoba - head knives

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Centre marked a sharpening pivot point…
knoba - head knives

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Drilled that mark…
knoba - head knives

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Took off paper & made a sharpening jig for the belt sander.
knoba - head knives

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That’s how this is going to go…
knoba - head knives

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Sharpened & polished.
knoba - head knives

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Heated to cherry for 3 mins (12mm = 30mins soak time). Had to keep the torch moving to keep the blade hot over its entire surface.
knoba - head knives

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After quenching the blade but not the tang.
knoba - head knives

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Re-polished.
knoba - head knives

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Seasoned birch from my garden…
knoba - head knives

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Turned some handles for my blades…
knoba - head knives

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With thanks to Cap’n Eddie Castelin for his superb wood turning videos (link below).
knoba - head knives

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knoba - head knives

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knoba - head knives

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Machined up some brass ferrules and epoxied on.
knoba - head knives

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Tangs were tapered (4° included angle) to common machine taper specs (see link below)
knoba - head knives

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Very pleased with results, they feel great, strop well and hold a good wire!
knoba - head knives

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knoba – Leather Head Knives – xcf files – 2015.zip (link below)
knoba - head knives

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knoba – Leather Head Knives – xcf files – 2015.zip (link below)
knoba - head knives

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You tube – Cap’n Eddie Castelin

knoba – Leather Head Knives – xcf files – 2015.zip

Wiki – Machine taper

Wood Database – Silver birch

Colron – Refined Finishing Wax

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Leather Edge Creaser

In stainless steel & brass, with beeswax finished silver birch handle…
knoba - Leather Edge Creaser

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Tool is used for making a style line or stitching line…
knoba - Leather Edge Creaser

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knoba - Leather Edge Creaser

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knoba - Leather Edge Creaser

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knoba - Leather Edge Creaser

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knoba – Leather Edge Creaser – 2015.dxf (link below)
knoba - Leather Edge Creaser

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knoba – Leather Edge Creaser – 2015.dxf

The wood database – Silver Birch

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All CAD files are in dxf format, are free to download, use & are virus free. All links are genuine. I do not keep logs on anyone or anything. Make stuff…

Leather Burnisher

In Iroko & brass, with polished waxed finish…
knoba - leather burnisher

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Colron – Refined Finishing Wax

The wood database – Iroko

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