Opisometer / Curvimeter / Map Wheel

3D Printable Opisometer / Curvimeter / Map Wheel A mechanical curvimeter (map measuring wheel) design optimized for 3D printing, featuring a classic analog display and ergonomic triangular body. Components - Circular dial face, 36mm in diameter - White background with black markings from 0-99cm - Center-mounted rotating pointer - Triangular shape for comfortable grip - Dimensions: approximately 70mm x 70mm x 10mm - Mounting holes for dial assembly - Integrated axle systemMeasuring Wheel take one turn when drive wheel teke route 100cm Technical Specifications - Material: PLA or PETG recommended - Layer height: 0.2mm or lower for detailed parts Use glue or screw connections for main body components. Recomend screw size M2x4mm This design combines traditional curvimeter functionality with modern 3D printing capabilities, creating a practical tool for map distance measurements.