简易圆角量角器4合1-Round corner protractor

一个简易的圆角量角器，方便测量使用，有四个圆角，分别是半径6mm，7mm，8mm，10mm，方便绘图测量

0.12mm的层高，多色打印大概40分钟，单色的话9分钟左右，有需要的可以直接拿走

A simple round corner protractor, easy to measure and use, there are four round corners, respectively the radius of 6mm, 7mm, 8mm, 10mm, easy to plot and measure

0.12mm height, multi-color printing about 40 minutes, monochrome then about 9 minutes, there is a need to take away directly