恒利丰UMP45波箱尾顶（HLF UMP45 used）

适用于恒利丰HLF UMP45水弹枪玩具的尾顶部件，可用于替换原厂部件，仅限个人玩具修理，禁止商用（包括直接或间接售卖开源图纸，未经许可使用开源图纸生产打印成品并售卖）。
！！！建议不要将图纸交由某宝等购物平台打印商家进行打印，商家有概率私自使用图纸进行商业活动，这样的行为会对开源作者的创作动力造成巨大伤害！！！

For HLF UMP45 gel blaster gearbox used, Commercial use is prohibited (including direct or indirect sale of open source drawings, unauthorized use of open source drawings to produce and sell finished products)

!!! It is recommended not to hand over the drawings to the printing merchants of the shopping platform for printing, because the merchants may privately use the drawings for commercial activities, which will cause great harm to the creative motivation of open source authors !!!