Yes, another do-it-yourself pedalboard solution for you to use free of charge. Why another one, I hear you ask? Well, simply because I thought it would be fun to design my own. Below I outline the design and make all the files available. Note that the design descriptions below are not necessarily complete in and or itself. This is a hobby project after all and even though system engineering is my profession this is not a professional endeavor on my part. Cut me some slack here.

License and Attribitions

Pedalboard P1 © 2024 by Roy Bijster is licensed under CC BY-NC-SA 4.0 . This means that:

  • Attributition Required (BY).
  • Commercial Use Not Allowed (NC).
  • Distributed on Same Terms (SA).

The Pedalboard P1 is inspired by the works of yodakubota on In particular it is inspired by

These designs are also available under a CC BY-NC-SA 4.0 license. You will find that these are not remixes of yodakubota’s design per se, but do show strong similarities. I’ve taken inspiration from their method for interfacing the pedals to the extrusions by means of a interface-plate that is screw-mounted to the pedal using the existing screw holes. My design differs in the following ways:

  • the interfaces to the 2020 profiles are differently spaced;
  • the interface plates contain features to store mounting screws inside the plate, to make sure that they stay with the pedal at all times (it is too easy to misplace them otherwise and then not find them if you ever sell the pedal or want to ditch the interface plates for whatever reason);
  • both the artifacts for 3D printing (in the form of STL files and/or 3MF project files) as well as design files (in the form of Fusion 360 CAD files) are available for you to use and modify.

Interface definition

The design uses standard Bosch-style BSB/BSP aluminium T-slot profiles with a 20 mm x 20 mm cross-section (the so-called 2020 type) and with a 20 mm x 40 mm cross-section (the so-called 2040 type) that is abundantly available from dealers online. I bought mine from Poland-based Alux Profile Sp. z o.o. (2020 profile in black, 2040 profile in black). Each platform is constructed using one 2020 type rule, one 2040 type rule and another 2020 type rules, which are separated by a 20 mm gap (see Figure 1 below). Components are fastened to each rule using T-slot hammer nuts using M4 bolts.

Figure 1: Rule spacing. Boxed dimensions are theoretically exact. Bracketed dimensions are reference measurements and should not be used for manufacturing.

I have chosen to combine the two profile types with the given spacing to ensure that for any “conventional” effects-pedal an interface plate can be designed that supports the pedal at the bottom (near the foot-switch) and at its top). This results in a sturdy support and prevents rocking of the pedal when pressing down on the foot-switch. It is by no means necessary to use all four tracks to fasten a pedal; two will typically suffice. I have used the to compare the sizes of many popular pedals from well established large-volume pedal manufacturers such as Boss and Ibanez as well as the more boutique pedal manufacturers such as Wampler, Walrus Audio and JHS. The chosen spacing seems to work for the various form factors and various sized-pedals that are available today (January 2024).

Interface plates for Walrus Audio

Walrus Audio has four main form factors for their pedal houses. Some pedals have gone through various iterations (v1, v2, v3, …), but from an interface perspective this mainly concerned moving jacks from the side to the top of the pedal. Pedals that are typeset as bold text are confirmed to work with the linked interface plate. Others are expected to fit.

Normal, Portrait (style 1)

The enclosure is 4.77″ long, 2.3″ wide and 2.9″ tall.

  • Walrus Audio Fathom Multi-Function Reverb
  • Walrus Audio ARP-87 Multi-Function Delay
  • Walrus Audio Slö Multi Texture Reverb
  • Walrus Audio Slötva Multi Texture Reverb
  • Walrus Audio Mira Optical Compressor
  • Walrus Audio Emissary Parallel Boost
  • Walrus Audio Deep Six Compressor V3
  • Walrus Audio Eons Five-State Fuzz
  • Walrus Audio Ages Five-State Overdrive
  • Walrus Audio Eras Five-State Distortion
  • Walrus Audio Kangra Filter Fuzz
  • Walrus Audio Jupiter Multi-Clip Fuzz v2
  • Walrus Audio Iron Horse LM308 Distortion
  • Walrus Audio Voyager Preamp/Overdrive
  • Walrus Audio 385 Overdrive MKII
  • Walrus Audio Julianna Deluxe Chorus/Vibrato
  • Walrus Audio Monument Harmonic Tap Tremolo v2
  • Walrus Audio Polychrom Analog Flanger
  • Walrus Audio Julia Analog Chorus/Vibrato v2
  • Walrus Audio Lillian Multi-Stage Analog Phaser
  • Walrus Audio Fundamental Series Delay
  • Walrus Audio Fundamental Series Reverb
  • Walrus Audio Fundamental Series Chorus
  • Walrus Audio Fundamental Series Fuzz
  • Walrus Audio Fundamental Series Drive
  • Walrus Audio Fundamental Series Distortion
  • Walrus Audio Fundamental Series Phaser
  • Walrus Audio Fundamental Series Tremolo

Normal Portrait (style 2)

  • Walrus Audio MAKO Series: R1 High-Fidelity Stereo Reverb
  • Walrus Audio MAKO Series: D1 High-Fidelity Delay
  • Walrus Audio MAKO Series: ACS1 Amp + Cab Simulator
  • Walrus Audio MAKO Series: M1 High-Fidelity Modulation Machine

Large, Portrait

  • Walrus Audio Fable Granular Soundscape Generator v1
  • Walrus Audio Lore Reverse Soundscape Generator v1
  • Walrus Audio Melee: Wall of Noise v1
  • Walrus Audio EB-10 Preamp//EQ//Boost

Large, Landscape

  • Walrus Audio Sloër Stereo Ambient Reverb v1
  • Walrus Audio Descent Reverb/Octave Machine v1
  • Walrus Audio Badwater Bass Pre-amp and D.I.
  • Walrus Audio Luminary Quad Octave Generator v2
  • Walrus Audio Janus Fuzz/Tremolo with Joystick Control
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