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openscad-project-understanding

openscad-project-understanding is a skill for Claude Code, Codex from joaorura/openscad-skills. It costs 25 tokens per session (356 once invoked), scanned A, original, MIT.

A guide to organizing complex OpenSCAD projects, which are code-based 3D models. It recommends separate files for assemblies, parameters, reusable modules, and external libraries.

In plain words
What is it for?
Use it to structure OpenSCAD files, manage dimensions as parameters, separate model components, and connect libraries such as BOSL2 or Boardgame Insert Toolkit.
Why use it?
It makes models easier to change and maintain as they grow. Clear use of OpenSCAD imports also helps prevent parameters and component code from becoming mixed together.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions Gemini CLI.

not rated 6repo +1 6mo ago A scan 25 tokens original MIT

Good fit Use it to structure OpenSCAD files, manage dimensions as parameters, separate model components, and connect libraries such as BOSL2 or Boardgame Insert Toolkit.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/joaorura/openscad-skills/openscad-project-understanding
View source ↗ joaorura/openscad-skills
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add joaorura/openscad-skills --skill openscad-project-understanding
Clone the repo
git clone --depth 1 https://github.com/joaorura/openscad-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for openscad-project-understanding

README.md
[![agentmods](https://agentmods.dev/badge/skills/joaorura/openscad-skills/openscad-project-understanding/github.svg)](https://agentmods.dev/skills/joaorura/openscad-skills/openscad-project-understanding)
Your own site
<a href="https://agentmods.dev/skills/joaorura/openscad-skills/openscad-project-understanding"><img src="https://agentmods.dev/badge/skills/joaorura/openscad-skills/openscad-project-understanding/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for openscad-project-understanding

Your own site · 80×15
<a href="https://agentmods.dev/skills/joaorura/openscad-skills/openscad-project-understanding"><img src="https://agentmods.dev/badge/skills/joaorura/openscad-skills/openscad-project-understanding.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 25 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 356 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00025 $0.00356
Opus 5.5 $0.00010 $0.00142
Sonnet 5.5 $0.00005 $0.00071
Haiku 4.5 $0.00003 $0.00036

Measured 2mo ago against content hash 53e12fd7058f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

openscad-project-understanding scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

openscad-project-understanding/SKILL.md · 35 lines

What it actually says

OpenSCAD Project Understanding

Note: This content was generated with the assistance of AI.

Overview

Guidelines for organizing OpenSCAD projects for long-term maintainability, focusing on modularity and clear parameter management.

Follow this file organization for complex models:

  • main.scad: Primary assembly file (contains include and use calls).
  • params.scad: Global parameters and design constants.
  • modules/: Directory for individual component modules.
  • libraries/: Directory for external libraries (BOSL2, BIT) if not in standard library paths.

Modularity: include vs use

  • include <file.scad>: Imports all variables, constants, and executes top-level code. Use for parameters and global constants.
  • use <file.scad>: Imports modules and functions without executing top-level code or importing variables. Use for component files.

Library Integration

  • BOSL2: Always check for include <BOSL2/std.scad> at the top of the project.
  • BIT: Use include <BoardgameInsertToolkit/BoardgameInsertToolkit.scad>.

Best Practices

  1. Parametric First: Never hardcode dimensions; use variables defined in a central location.
  2. Naming Conventions: Use SNAKE_CASE for global constants and camelCase for local variables.
  3. Documentation: Every module should have a comment describing its purpose and arguments.
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 35 lines · 25 tokens per session scan A 53e12fd7058f

Subscribe to this mod's changes

openscad-project-understanding is a skill published in the GitHub repository joaorura/openscad-skills (6 stars, last pushed 6mo ago), licensed MIT. It adds 25 tokens to every session and 356 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Design and UX
Related

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