Panel cutouts: IEC inlet, rockers, barrel jack, USB-C, HDMI, LEDs, Neutrik D — dimension sheet Source: Xem Studio, https://xemstudio.com/objects/panel-cutouts/ (CC BY 4.0) Basis: Manufacturer drawings for the common enclosure parts (IEC 60320 C14, KCD1/KCD4 rockers, DC-022 jack, Neutrik D-series); each file is a 2 mm test plate with the cutout Catalog version: 2026-10-20 Sizes: see table below - IEC C14 snap-in: 27.5 × 19.5 mm (some drawings 27.4 × 19.4) in a 1–1.5 mm panel; screw-mount C14 adds two Ø3.2 holes on 40 mm centres. C13 outlets are larger: 30.5 × 22.5. - KCD1 rocker (the 15 × 21 mm face): 19 × 13 mm cutout, 1–3 mm panel. KCD4 (big illuminated rocker): 30 × 22 mm. - DC-022 panel barrel jack: Ø8 mm hole, M8 thread, panel to 3 mm. 5 mm LED: Ø5.1 press fit. Neutrik D-series (XLR, USB, HDMI, RJ45 modules): Ø24 with two Ø3.2 screw holes 24 mm apart. - Print the test plate before cutting the enclosure; the cutout's clearance is included. part cutout_mm panel_mm screw_holes IEC C14 snap-in 27.5 × 19.5 1.0–1.5 none IEC C14 screw-mount 27.5 × 19.5 to 3 2 × Ø3.2 @ 40 IEC C13 outlet 30.5 × 22.5 1.0–2.0 none or 2 × Ø3.2 @ 40 KCD1 rocker 19 × 13 1–3 none KCD4 rocker 30 × 22 1–3 none DC-022 barrel jack Ø8 to 3 none USB-C pass-through 10 × 4.5 any none microSD 12 × 2.5 any none HDMI A clearance 16 × 6.5 any none 5 mm LED Ø5.1 1–3 none Neutrik D Ø24 to 3 2 × Ø3.2 @ 24 Files elsewhere (not hosted by Xem Studio; license as stated by the publisher): - Neutrik: D-series chassis connector drawings — PDF, STEP — Neutrik site terms [verify license at link] — https://www.neutrik.com/en/products/audio/xlr/xlr-chassis-connectors - Wikipedia: IEC 60320 — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/IEC_60320 - McMaster-Carr: Panel-mount power inlets (free STEP/IGES/STL per part, for your own design use; no redistribution) — STEP, IGES, STL, PDF — McMaster-Carr site terms: personal design use, no redistribution [verify license at link] — https://www.mcmaster.com/products/power-inlets/ Free files (CC BY 4.0, Xem Studio; STEP + STL, 10 parts): https://xemstudio.com/files/hardware/panel-cutouts/index.json API: https://xemstudio.com/api/geometry?object=panel-cutouts