Sewing Ring Knife Thread Cutter

需要自备笔刀刀片，尺寸如下：30度角、厚0.41mm、短边长约8mm、长边长约17mm第一盘是笔刀外壳和默认大小指环（内直径大概19mm，没有考虑打印收缩），已经设置好在第18层暂停，暂停时放入笔刀刀片，确保表面平整后继续打印第二盘是自由定制大小的指环，请自行调整圆柱体负零件的大小 You need to prepare your own replaceable blade for the pen-shaped knife, with the following specifications:Angle: 30 degreesThickness: 0.41mmShort side length: approximately 8mmLong side length: approximately 17mmThe first tray contains the pen knife shell and a default-sized ring (with an inner diameter of approximately 19mm, not considering print shrinkage). It has been set to pause at layer 18. During the pause, insert the replaceable blade for the pen knife and ensure the surface is flat before continuing with the print.The second tray contains rings of custom sizes. Please adjust the size of the cylindrical negative part accordingly.