Eurorack accessories to print: panels to A-100 dimensions, stands to fit the RackBrute

3D print files for Eurorack accessories: cable hook panels to the public Doepfer A-100 dimensions, plus tilt stands and a shelf to fit the Arturia RackBrute 3U and 6U, based on the manufacturer's outer dimensions. A small, honest range; measure your case before printing, and print the free fit gauge first.

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What is in the range: fit gauge, cable hook panel, stands and shelf

The range is small and stays that way until it is clear what people need. It is five files: a free fit gauge, a cable hook panel for 3U in 2, 4, 6 and 8 HP (1 HP = 5.08 mm) with different numbers of hooks, a tilt stand each to fit the Arturia RackBrute 3U and 6U, and a shelf add-on to fit both sizes.

Print the fit gauge first. It contains a 3U piece of 8 HP with the hole pattern, a tile each for 1U to Intellijel and to Pulp Logic, and a tolerance comb with +0.2, +0.4 and +0.6 mm of clearance. With it you see beforehand how accurately your printer prints and whether the hole pattern suits the rails of your case.

The stand tilts the case at three angles (15°, 25° and 35°). It consists of two side wedges, left and right from the same file, because a case 484 mm wide is larger than most print beds. The shelf is a tray for a phone or tablet and clamps onto the narrow edges of the case. We name Arturia RackBrute only to say what the parts fit; Doepfer, Intellijel and Pulp Logic only as a source of dimensions or as a format name. These are not accessories from the manufacturers, and there is no connection to them.

Where the dimensions come from: Doepfer A-100, 1U formats and Arturia

Eurorack is not a standard in the strict sense but a de facto standard that Doepfer describes in its A-100 documentation. According to it, a 3U panel is 128.5 mm high (133.35 mm nominal minus the rail rim), 1 HP is 5.08 mm and the thickness is 2.0 mm. The actual width is slightly below a multiple of the grid: 8 HP is 40.30 mm in the Doepfer table instead of 40.64 mm. For widths outside the table we calculate N × 5.08 − 0.35 mm; that is an estimate and marked as such. The hole pattern has Ø 3.2 mm, 3.0 mm from the top and bottom edge and 122.5 mm vertical spacing; the first hole is 7.5 mm from the left edge (other sources give 7.45 to 7.62 mm, we follow the Doepfer drawing).

There is no standard for 1U, only two manufacturer formats that do not fit each other: Intellijel at 39.65 mm height and Pulp Logic at 43.18 mm (1.7 in). The fit gauge contains both. With Intellijel the horizontal hole spacing is not dimensioned; the 5.08 mm grid is assumed there.

The case dimensions come from Arturia: RackBrute 3U outside 484 × 167 × 83 mm, 6U 484 × 300 × 83 mm. The manufacturer gives the three numbers without naming the axes; we derived which is width, height and depth, and that is an estimate. We add 1.0 mm of clearance. Measure your case before printing.

Which material for what: PETG for stands and shelf, PLA for panels

Print stands and shelf in PETG; ASA works too. A case with modules weighs several kilos, and PLA slowly gives way under constant load. Do not put a heat source right next to them, such as a radiator, and do not leave the parts in the sun behind glass.

Print panels and gauge in PLA; PETG works too. They carry nothing and stay at room temperature. So that a printed panel does not flex, it is a little thicker or ribbed across its surface; at the edge it stays at 2.0 mm so that it fits between neighbouring modules.

How accurately the parts come out depends on your printer. The free fit gauge with its tolerance comb shows beforehand how much clearance your printer needs.

Limits: undimensioned parts, nothing electrical, no verified load rating

There are no published dimensions for the handles, feet and wooden sides of cases. Stand and shelf therefore only rest against the outer faces that the manufacturer has dimensioned and never engage handles or side panels. The rail profiles are not publicly dimensioned either, so there are no parts that snap into a rail or clamp onto it. How deep modules may be depends on the case; there is no standard for case depth (shallow cases are often called skiffs). Check the depth of your modules against the case.

The stand is meant for the case on a desk: guideline up to 5 kg, not a verified load rating, not for use as a seat or a shelving unit. The shelf carries a guideline of 0.5 kg. Nothing here carries current, and there are no bus boards, power supply enclosures or adapters with electronics. We do not offer blank panels because they are available in plenty for free.

Files: Eurorack accessories

Price

Frequently asked questions

Will it fit my case?

The cable hook panel follows the Doepfer A-100 dimensions and belongs in a 3U case; whether it suits yours depends on rail spacing and hole pattern. Stand and shelf are calculated to fit the Arturia RackBrute 3U and 6U, from the manufacturer's outer dimensions (484 × 167 × 83 mm and 484 × 300 × 83 mm, axis assignment derived by us). Measure the outer dimensions of your case before printing, and print the free fit gauge first.

Intellijel 1U or Pulp Logic 1U: which format do I have?

That depends on the maker of your 1U row, and the two formats are not compatible: Intellijel panels are 39.65 mm high, Pulp Logic tiles 43.18 mm. Pulp Logic itself points this out. There is no standard for 1U. The free fit gauge contains a tile for each of the two formats; compare your row with both. The cable hook panel so far exists only for 3U.

Which angle is the right one?

The stand comes in 15°, 25° and 35°. There is no standard angle; the angles are our design choice. A steeper angle makes the labels easier to read when standing or at a low desk; a shallower one keeps the case low and steadier. Which one you pick depends on desk height, posture and taste.

How much does the stand carry?

The stand is meant for the case on a desk: guideline up to 5 kg, not a verified load rating, not for use as a seat or a shelving unit. According to the manufacturer the RackBrute weighs 2.1 kg (3U) and 3.76 kg (6U); with modules and cables it gets heavier, so weigh your case beforehand. If it is over 5 kg, do not print the stand. The shelf carries a guideline of 0.5 kg, meant for a phone or a light tablet.

May I sell prints?

The licence is private: you print the parts for your own setup. Selling prints commercially is only possible by agreement.

Are there blank panels?

They are available in plenty for free, so we do not offer them. Our only panel is the cable hook panel.

Are the parts tested, and how reliable are the dimensions?

Our parts have not yet been tested on a case. The dimensions are taken from the Doepfer documentation, the details given by the 1U makers and Arturia's outer dimensions, not re-measured by us. Where we derive something ourselves (HP widths outside the Doepfer table, the axis assignment of the RackBrute dimensions, the horizontal hole spacing at Intellijel), it is marked as an estimate. How accurately the parts come out for you depends on your printer; the free fit gauge settles that beforehand. It is not an accessory from the manufacturers, and we have no connection to them.

Is there something for other cases too?

Stand and shelf so far exist only for the Arturia RackBrute 3U and 6U. Some other cases have their own legs, their own stand or a tilt from the factory and do not need one. There are no published dimensions for the handles, feet and side panels of cases, so we rely only on outer dimensions. The cable hook panel and the fit gauge do not need a particular case, only the 3U or 1U format.

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