About this 3D model

The difference between the 100w version and the 50w version is that the fan uses a 5020 fan Then the ptc adds one more The installation of other things is the same. Refer to the 50w version installation Note, if it is used to heat Saturn 3u, please be sure to buy a 90-degree elbow power plug, otherwise the power cord will press on the lid and it will not be tight, or you can directly lead out 12v positive and negative poles without the plug 50w version description 1. The magnet used for magnetic suction is 5mm in diameter and 1.8mm in thickness. It is best to use B7000 to reinforce it 2. It is best to connect the wires first and then install 3. I didn't buy 3x60 screws to fix the heating film in the photo, so I used short ones. It is best to use 3x60 screws to fix the PTC film 4. The fan is a 4020 fan The temperature controller is w1209. You can buy it yourself for 6 yuan The power plug is DC022, the inner diameter is 5.5, the inner pin is 2.1 12v power supply is best to purchase 5a or above to ensure normal and stable operation You can search for the operation method of W1209 yourself PTC heating film size is 22x54 The bottom of the temperature controller also has a magnet mounting hole, which is used to absorb the iron base, with an outer diameter of 19 and a thickness of 3mm In the STL file, there is a rectangular small panel without holes. It is used to block the panel that penetrates the temperature control wire. It can be used or not The part in the middle of the base that stands upright is to allow the PTC heating film to be aligned with the center wiring, just for centering Have fun, It's not easy to make models. Welcome to Douyin, Bilibili, and Xiaohongshu to follow the account Monkey King Creative Handcraft It is my greatest support Group number 328333915. Welcome to invite 3d printing circle friends to be active.