Underware Starter Channel Pack for openGrid
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Description
This pack contains the core Underware channel pieces needed to start routing cables through an openGrid system.
If you're new to Underware, this gives you the essential geometry set for turns, splits, direction changes and structural routing — all ready to print with no customiser setup required.
All models were generated using Petro Leite’s “Underware for openGrid Customizer" mostly with default geometry, except the smaller I-Channels (sizes 1x1 to 1x4) which were created with a tighter fit using a a 3° flare, inspired by the Flared Underware remix by Gavin F. This increases the grip on the smaller Underware which are more prone to popping out.
Why this pack exists
The customiser is powerful, but beginners often don’t know which pieces they actually need. This pack gives you the foundational shapes used in most Underware layouts, so you can:
- Start building cable routes immediately
- Create structured, professional cable paths
- Experiment with layouts before diving into custom parameters
Think of this as the “core fittings set” for Underware.
What’s Included
Straight Channels
| Piece | Description |
|---|---|
| 1×1 I-Channel | Straight segment (3° flare for tighter fit) |
| 1×2 I-Channel | Straight segment (3° flare for tighter fit) |
| 1×3 I-Channel | Straight segment (3° flare for tighter fit) |
| 1×4 I-Channel | Straight segment (3° flare for tighter fit) |
| 1×5 I-Channel | Straight segment |
| 1×6 I-Channel | Straight segment |
| 1×7 I-Channel | Straight segment |
| 1×8 I-Channel | Straight segment |
Routing & Directional Pieces
| Piece | Purpose |
|---|---|
| L Channel | 90° turn |
| T Channel | Branch / split |
| X Channel | 4-way intersection |
| S Channel | Offset direction change |
| Diagonal Channel | Angled routing |
| Mitre Channel | Clean corner transition |
Best Use Case
Designed for:
- General cable management
- Power leads, signal cables, USB, low-voltage wiring
- Structured openGrid builds in workshops, under desks or wall panels
The 22 mm height provides more internal space than low-profile variants, making this better for thicker cable bundles.
Printing Recommendations
- PLA or PETG
- No special print settings required
Requirements
- Designed to clip directly into an openGrid board
- Compatible with standard Underware geometry
Pair this with:
- Low-profile channels if you're integrating LED lighting: https://makerworld.com/en/models/2354241-underware-led-channel-pack-for-opengrid
- 70+ Labelled Underware Channels: https://makerworld.com/en/models/2354795-labelled-underware-i-channel-pack-for-opengrid
- Item holder to create shelves and holders for plug sockets, hubs and more: https://makerworld.com/en/models/646872-custom-item-holder-multiconnect-multipoint-goews
- Underware channel customiser for sizes not included in this pack: https://makerworld.com/en/models/1329404-underware-for-opengrid-customizer-beta
- openGrid (screw holes everywhere for mounting): https://makerworld.com/en/models/1689745-opengrid-tiles-full-size-with-all-screw-holes
- openGrid (mounts instead of screw holes): https://makerworld.com/en/models/1179191-opengrid-wall-desk-mounting-framework-ecosystem
This remix is based on
License
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