Stencil ruler for electrical diagrams

A stencil ruler designed to facilitate the manual creation of drawings, diagrams, and electrical plans. It allows for quick tracing of clean, repeatable, and well-aligned shapes for courses, workshops, technical notes, or the preparation of electrical plans. The template includes several practical openings for creating symbols, markers, circles, rectangles, and shapes used in technical drawings. Ideal for students, electricians, teachers, technicians, or anyone who regularly works with electrical diagrams. Features: * Compact and easy to transport format * Multiple integrated shapes for technical drawings * Designed for electrical plans and control diagrams * Simple and fast 3D printing * Practical for notebooks, note sheets, and workshops * Can be used with pencil, pen, or fine marker A simple, useful, and durable accessory to improve precision and speed when creating electrical plans by hand.