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[daschnoz]

Still a work in progress.

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Snare -Lemon 12"
Kick - Bought a 22" pdp blemish from eBay, Pintech trigger

Toms - 3D printed (yes, really), modeled after the Lemon snare
8s, 10s, 12s

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Drum wrap is automotive vinyl from Amazon. It cost me under $100US to do the whole kit and I have a bunch left over.

eDrumIn 8 (already ordered and in transit)
Simmons Titan 70 brain (should be here tomorrow)

When I get done (the plan) -
Cymbals - Simmons MC series

• 13" hat
  16" crash (x3)
  18" ride
  maybe an 8" or 10" splash and china if Simmons decides to add those to their MC line

[daschnoz]

...more pics of the 3d printed toms

This is one of the 10" toms. The 12s go together the same way. The 8" is small enough that the shell prints in 1 piece. All shells are 5" deep.

I put something like 500+ hours on the printer and went through about 5 spools of filament for the whole project.

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I developed the drum generation program in OpenSCad. It's 100% parameter driven. If the desired shell is too large to print on the print bed (print bed X and Y dimensions are 2 of the parameters) the program breaks the shell into the fewest number of pieces possible, where the pieces will fit on the printer. The program generates the shell, the bottom pieces, and all of the internals needed to assemble the drum, all based on the same set of parameters. I just choose what part I want to generate (that's another parameter) and save the STL output of that part - 1 part at a time.

The shell has two 1/4" jacks. I built the splitter wiring directly into the drum. It will make for a cleaner setup with less of a spaghetti mess. Run a single TRS cable into tom 1, use a short patch cable to connect the zone 2 output from tom 1 to the "input" on tom 2. ...and so on... Configure the brain accordingly.

I printed everything in PETG. It is stupid simple to print, has better tolerance to heat compared to PLA, and is really easy to "glue". Oatey PVC primer actually solvent welds PETG. More commonly known as "Purple Primer", but I used the clear flavor - find it in the plumbing section of your local hardware store with the other PVC pipe chemicals.

[daschnoz]

I also made the hi-hat controller. A user on Thingiverse named "crazysticks" designed one using an FSR. I used his design as a starting point and designed my own enclosure. It mounts directly to the 3/4" tube on the stand and has a set screw to keep it from rotating.

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[Rob]

Great skills. Does you design give you pressure sensitivity on the hihat?

[daschnoz]

Great skills. Does you design give you pressure sensitivity on the hihat?

Yes. It works with the Roland HD-1 that it is currently connected to. Fully open, the output is the value of the parallel resistor (18k). Closed with as much pressure as I can put on it, it's in the neighborhood of 350 ohms.

It would be nice if every brand used the same control scheme for the hats, but I get it. There's not much you can do differently with the drums themselves, so it's hard to create a brand differentiator there. They do it with options in the brain, sample quality, and with the controls.

Simmons only has control pedals and I couldn't find anything online about the internals or the "output" of their pedal (resistance based, voltage based, pulse width, whatever). The hat control is honestly the main reason that I bought the eDrumin, it's compatible with everything.