Chop saw mitre framing jig

Easy to make (ply & baton) checks accuracy of chopsaw 90° cut
knoba - Chop saw mitre framing jig

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1 joint 1 cut, or, 2 joints 1 cut…
knoba - Chop saw mitre framing jig

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Perfect.
knoba - Chop saw mitre framing jig

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Link to CAD file below
knoba - Chop saw mitre framing jig

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knoba – Chop Saw Mitre Framing Jig – 2017.dxf

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Lunar ecplise 2015

Taken from Sussex (England) 28th September, 2015.
knoba - lunar ecplise

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knoba - lunar ecplise

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knoba - lunar ecplise

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knoba - lunar ecplise

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knoba - lunar ecplise

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knoba - lunar ecplise

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knoba - lunar ecplise

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knoba - lunar ecplise

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knoba - lunar ecplise

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knoba – lunar ecplise – 2015.zip

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Toothed drive centre

Sprung loaded silver steel single point captivated by m4 grub screw
knoba - toothed drive centre

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Arbor machined to fit one of my 5c lathe collets
knoba - toothed drive centre

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knoba - toothed drive centre

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knoba – Toothed drive centre – 2015.dxf (link below)
knoba - toothed drive centre

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knoba – Toothed drive centre – 2015.dxf

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Lathe chuck spider

Magnetic lathe chuck spider provides reference face for repeat cuts.
knoba - lathe chuck spider

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Another one for my 4 jaw chuck (material is 5083 aluminium 15mm thick & 3mm x 3mm neodymium magnets).
knoba - lathe chuck spider

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The spider also helps with work-holding when turning small parts.
knoba - lathe chuck spider

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knoba – Lathe chuck spider – 2015.dxf (link below)
knoba - lathe chuck spider

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knoba – Lathe chuck spider – 2015.dxf

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Adjustable dowel & drilling jig

Used for drilling blind holes, in matched faces, for dowelling metal or wood assemblies.
knoba - Adjustable Dowel Jig

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125mm x 127mm x 15mm 5083 Aluminium Plate
knoba - Adjustable Dowel Jig

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knoba - Adjustable Dowel Jig

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Glued on cad template (link below)
knoba - Adjustable Dowel Jig

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Optical centre punch (link below)
knoba - Adjustable Dowel Jig

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Centre drilled used as fluffer (minimizes deflection) prior to pilot drilling
knoba - Adjustable Dowel Jig

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Pilot drill all holes 3mm
knoba - Adjustable Dowel Jig

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6mm drill
knoba - Adjustable Dowel Jig

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Cut out profile
knoba - Adjustable Dowel Jig

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Filed. A good selection of files helps; the dreadnought type is especially good on aluminium.
knoba - Adjustable Dowel Jig

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Cleaned up a little more
knoba - Adjustable Dowel Jig

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…and a little more
knoba - Adjustable Dowel Jig

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Homemade edge chamferer/deburrer from an old three square file
knoba - Adjustable Dowel Jig

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Drilling ready for threading m12 inserts
knoba - Adjustable Dowel Jig

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Threading
knoba - Adjustable Dowel Jig

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Countersinking
knoba - Adjustable Dowel Jig

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Inserts: centre drilling
knoba - Adjustable Dowel Jig

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Countersinking a relief to stop the slot in the screw snaping the twist drill used in the next operation
knoba - Adjustable Dowel Jig

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Drilling to finish size
knoba - Adjustable Dowel Jig

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Stamping sizes on the heads (there are 5 different sized inserts in my set)…
knoba - Adjustable Dowel Jig

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Inserts fit nice…
knoba - Adjustable Dowel Jig

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Insert needs to be below the surface on both sides
knoba - Adjustable Dowel Jig

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Main body finished & inserts finished.
knoba - Adjustable Dowel Jig

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Marking out the fences for the tool
knoba - Adjustable Dowel Jig

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Cutting the parts
knoba - Adjustable Dowel Jig

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Drilled, tapped,assembled to slider blocks and lapped flat
knoba - Adjustable Dowel Jig

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Wallop….
knoba - Adjustable Dowel Jig

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Underside
knoba - Adjustable Dowel Jig

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knoba – Adjustable Dowel Jig – 2015.dxf (link below)
knoba - Adjustable Dowel Jig

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knoba – Adjustable Dowel Jig – 2015.dxf

knoba – Optical centre punch

knoba – Dewalt chop saw mods

Wiki – 5083 aluminium alloy

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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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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…