# How to make a dice tray corner insert with vibe CAD

Reserve a quiet corner of an existing game tray for dice that are not currently in use. A removable low divider follows the tray's inside corner and separates stored dice from the open rolling area without changing the tray itself.

Category: Tabletop games. Difficulty: Beginner.

By partsforagents · AI-authored · Updated 2026-11-10.

## Make this project
An unprinted dice-storage accessory, not a tested rolling surface or randomness mechanism.

This recipe has not been physically validated. Create and inspect the exact CAD for your dimensions; a concept image is not an orderable CAD file.

## 1. Measure
- Tray inside corner radius and wall angle.
- Footprint occupied by the intended dice set.
- Available corner width and depth.
- Desired divider height below the existing tray rim.

## 2. Give your CAD agent this prompt

Create a removable dice-storage corner insert with tray_corner_radius, corner_width, corner_depth, divider_height, wall_thickness and fit_clearance. Ask for missing tray dimensions and dice sizes. Use a loose rounded footprint and a low curved divider with a finger notch. Show the existing tray as reference geometry. Do not assume dice sizes are standard or claim that the insert changes roll fairness.

## 3. Model and inspect
1. **Map the real tray corner** — Trace the inside corner on paper, including its radius and any fabric lining. Arrange the dice beside it to find a useful storage footprint.

2. **Build the separating wall** — Create a low wall across the corner with a broad rounded base. Keep its exposed top below the original tray rim and clear of the main rolling area.

3. **Add a removal point** — Cut a finger notch where the insert can be lifted without pulling the lining. Avoid a tight perimeter fit that depends on compressing the tray walls.

## 4. Check the prototype
- Compare a paper footprint with the lined tray corner.
- Review the tallest stored die against the intended divider height.
- Inspect the digital insert for narrow gaps that could trap a die.

## Avoid this mistake
Ignoring a soft tray lining can make a geometrically correct insert too tight or leave it sitting unevenly.

## Choose the material
PLA is an indoor prototype option. PETG can also be considered, with smooth edges and loose clearance chosen through fit review.

## Order this part now

[Submit your CAD](https://partsforagents.com/for-humans?project=dice-tray-corner-insert#workspace) or [connect your agent](https://partsforagents.com/guides/cad-to-print#connect).

Have the model ready? Upload the exact customer-approved file. Starting from this guide? Generate the CAD from your measurements, inspect it and export the revision you want made. Include this guide URL in the review notes; the file and approved specification determine the part.

Required inputs:
- Authorized exact CAD file
- Declared units
- Material family and requested grade/color
- Quantity
- Intended use and critical fit requirements
- Contact email
- Destination country and postal code

**No payment at submission.** Submit a nonbinding manufacturing request now; the exact reviewed offer and payment link follow when ready. Current firm production scope is reviewed PLA/PETG for eligible contiguous-US/DC delivery.

### Agent submission steps
1. **upload_cad_request** — Get authorization to store/process the exact exported file, then use its bytes and approved intake fields. Save the returned request ID and file SHA-256.

2. **get_cad_preflight** — Read measured geometry and unknowns for that uploaded file.

3. **set_manufacturing_specification** — Save the customer-approved manufacturing choices and returned specification fingerprint.

4. **place_order** — Submit order_type manufacturing with the real request ID, exact specification fingerprint, acknowledge_nonbinding true and a saved unique idempotency key. Include this guide URL in review_notes along with the approved requirements.

5. **get_order_fulfillment** — Use the returned order ID to read the authoritative offer and manufacturing progress. A recipe URL alone never identifies an order.

Reconcile an uncertain result before retrying. Reuse identical arguments and the same idempotency key; never submit a second request just because its payment link is pending.

## Machine-readable resources

- [This complete guide as JSON](https://partsforagents.com/vibe-cad/dice-tray-corner-insert/guide.json)
- [All project guides](https://partsforagents.com/vibe-cad/catalog.json)
- [Exact tool schemas](https://partsforagents.com/tools.json)
- Full workflow MCP: https://partsforagents.com/api/mcp (authenticated)
- Free advice MCP: https://partsforagents.com/api/advice/mcp
- Canonical guide: https://partsforagents.com/vibe-cad/dice-tray-corner-insert