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Praxis Zero mk2 Mantis

An open source, modular electric guitar that can be built with off the shelf components and parts cut on a CNC router.

praxis-guitarsPraxis Guitars
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The Praxis Zero is a modular electric guitar that allows different elements to come together as a fully functional instrument. The instrument was designed from the beginning to be fabricated using a standard 3 axis CNC machine. The Praxis Zero can be reduced to the bare essentials of neck and frame. The innovative frame/neck connection gives the guitar a unique tone.

The source code for this guitar is available from our Github repository. The entire guitar is licensed under Creative Commons Attribution-ShareAlike 4.0 International Public License.

assemblies

    • frame
      • frame keel
      • frame deck
      • frame tail
      • m4 30mm fhcs
      • m4 16mm shcs x2
      • m4 14mm fhcs x4
      • m4 5mm bhcs x2
      • tuneomatic bridge m4 post
      • bridge adjustment riser x2
      • m4 20mm shcs x2
      • m4 35mm shcs x2
    • cartridge 2hb
      • cartridge base
      • 5 way switch
        • fasteners x2
      • neck pickup
        • fasteners x2
      • bridge pickup
        • fasteners x2
      • face plate 2hb
    • neck
      • fork
      • neck
      • truss rod
      • head
      • head face 2
      • head face 4
      • nut
      • fretwire
      • tuner R x2
      • tuner L x4
      • strap anchor
      • strap hanger
      • strings
    • lower wing
      • lower wing base
      • lower wing face
      • back cover plate
        • wood screw x4
      • knob x2
      • potentiometer x2
      • capacitor
      • output jack
    • upper wing
      • upper wing base
      • upper wing face

  • 1 × 362mm dual action truss rod
  • 1 × Neck Pickup
  • 1 × Bridge Pickup
  • 1 × Fretwire
  • 1 × Tuneomatic Bridge

View all 15 components

  • 1
    Step 1

    Program CNC

    This is the general Machine-Operations set that was used to create the release candidate:

    CNC parts

    • G-code
      • body
        • back
          • T2 roughing
            • profiles
            • roughing
            • back cover
            • e cavity
          • T3 ball
            • parallel surface
              • set 1
              • set 2
          • T4 detail
            • seats
            • bolt holes
        • front
          • T2 roughing
            • switch cut
            • roughing
            • e cavity
            • cavity clean
            • final profile prep
          • T3 ball
            • parallel surface
              • set 1
              • set 2
          • T4 detail
            • bolt holes
            • edge
      • neck
        • flat side
          • T1 surfacing
            • conventional surfacing
          • T2 roughing
            • body edge
            • head edge
          • T3 ball
            • heel slopes
          • T4 detail
            • fork pocket
            • fork bolt
            • truss rod
            • truss access
            • mount holes
        • curved side
          • T2 roughing
            • heel edge
            • keel slot
            • head edge
            • tall rough
            • short rough
            • head surface
            • head profile
          • T3 ball
            • steep edge finishing
            • heel finishing
            • head finishing
            • head steep edge
          • T4 detail
            • keel profile
            • fork bolt
      • fingerboard
        • neck side
          • T1 surfacing
            • conventional surfacing
          • T4 detail
            • fork pocket
            • truss rod
            • mount holes
        • string side
          • T2 roughing
            • edge profile
            • nut pocket
          • T3 ball
            • parallel surfacing
          • T5 micro
            • fret slots
      • head
        • backside
          • T2 roughing
            • parallel roughing
            • profile
            • tuner holes
          • T3 ball
            • parallel finishing
        • angled
          • T2 roughing
            • surfacing
            • neck pocket
          • T3 ball
            • access port
      • faces
        • front
          • T2 rouging
            • roughing
            • tuner seats
            • tuner holes
          • T3 ball
            • parallel finish
          • T4 detail
            • bolt seats
            • bolt holes
            • profiles
      • aluminum plate
        • keel
          • T7 O-flute primary
            • Surfacing
            • Wide profile
            • final profile
          • T6 O-flute detail
            • perpendicular drill sequence
        • deck
          • T6 O-flute detail
            • drill sequence
          • T7 O-flute primary
            • Surfacing
            • Lower Surfacing
            • Wide profile
            • final profile
          • T6 O-flute detail
            • perpendicular drill sequence
        • tail
          • T6 O-flute detail
            • string end slot
            • normal drill sequence
          • T7 O-flute primary
            • Surfacing
            • Wide profile
            • final profile
        • fork
          • T6 O-flute detail
            • drill sequence
          • T7 O-flute primary
            • Surfacing
            • Wide profile
            • final profile
          • T6 O-flute detail
            • perpendicular drill sequence
      • aluminum sheet
        • cover plate
          • T6 O-flute detail
            • profile
        • cartridge
          • T6 O-flute detail
            • pockets
            • profile
        • strap hanger
          • T6 O-flute detail
            • pockets
            • profile

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