This is an isometric ruler (ellipse template) from Takeda.
It is a new, unused item that has been stored without being used even once after purchase.
? Manufacturer: Takeda Seizukki Seisakusho
? Model Number: 29-0030
? Features: An elliptical template for isometric use at 35°16′. Made with a material that is easy on the eyes and resistant to dirt, it can be widely used from professional drafting to student assignments.
? Condition: Unopened and unused, the main body is in very clean condition with no scratches or dirt.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.
The product does what it’s supposed to do. Nothing extraordinary, but it performs its function well. Delivery was quick and smooth.