analytic-preservation

Preserve exact analytic geometry in CAD boolean, revolve, and offset operations.

20|3|Updated Mar 2, 2026
One-click install
npx skills add https://github.com/andymai/brepkit --skill analytic-preservation
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: analytic-preservation
Source: https://github.com/andymai/brepkit/tree/main/.claude/skills/analytic-preservation
Command: npx skills add https://github.com/andymai/brepkit --skill analytic-preservation

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill ensures that CAD operations maintain exact analytic geometry, preventing degradation to NURBS or mesh fallbacks, and improving performance and accuracy.

Core Features & Use Cases

  • Exact Geometry Preservation: Keeps planes, cylinders, cones, spheres, and tori as exact analytic forms.
  • Performance Optimization: Reduces face counts and computation time for geometric operations.
  • Use Case: When performing complex CAD operations like boolean, revolve, or offset, this Skill ensures that the results remain as precise as possible, preventing the loss of geometric accuracy.

Quick Start

To activate the analytic-preservation skill, simply include it in your CAD workflow where you require the preservation of exact analytic geometry.

Frequently Asked Questions about analytic-preservation

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
Why do CAD boolean operations degrade exact geometry to NURBS or mesh fallbacks?

CAD boolean operations often degrade exact geometry because standard processing pipelines default to approximating analytic surfaces. Preserving analytic geometry prevents this degradation, maintaining exact planes, cylinders, and spheres instead of converting to NURBS or mesh fallbacks.

How do I preserve exact analytic geometry during CAD operations like revolve and offset?

To preserve exact analytic geometry during CAD operations like revolve and offset, you need a workflow that actively maintains exact surface definitions. This prevents geometric degradation and reduces face counts, ensuring operations remain precise and performant.

What is analytic preservation in CAD and when is it needed?

Analytic preservation in CAD is the process of maintaining exact mathematical surface definitions during geometric transformations. It is needed when performing complex operations like boolean, revolve, or offset to prevent accuracy loss and improve computation time.

Does preserving exact analytic geometry improve CAD performance and reduce face counts?

Yes, preserving exact analytic geometry improves CAD performance by preventing unnecessary surface approximation. Keeping planes, cylinders, cones, and tori as exact forms reduces face counts and decreases computation time for complex geometric operations.

Do I need advanced CAD knowledge to maintain exact analytic surfaces?

Yes, maintaining exact analytic surfaces requires knowledge of CAD and geometric operations. It targets complex workflows involving boolean operations, revolve, and offset, demanding an advanced understanding of geometric transformations to ensure precise results.