About this 3D model

1. The magnet used for magnetic suction is best to be 5mm in diameter and 2mm in thickness. It is best to reinforce it with B7000. 2. It is best to connect the wires before installation. 3. I used short screws to fix the heating sheet in the photo because I didn't buy 3x60 screws. It is best to use 3x60 screws to fix the PTC sheet. 4. The fan is a 4020 fan. The temperature controller is W1209, 6 yuan, you can buy it yourself. The power plug is DC022, inner diameter 5.5, inner needle 2.1. It is best to purchase a 12V power supply of 5A or more to ensure normal and stable operation. Search for the W1209 operation method yourself. The size of the PTC heating sheet is 22x54. The bottom of the temperature controller also has a magnet mounting hole, which is used to attract the iron base, with an outer diameter of 19mm and a thickness of 3mm. In the STL file, there is a small rectangular panel without holes. It is a baffle to block the temperature control wire, you can use it or not. The part that stands upright in the middle of the base is to align the PTC heating sheet with the wiring in the middle, it is only used for alignment. Have fun, It is not easy to make models. Welcome to follow the account 'Monkey Creative Handicrafts' on Douyin, Bilibili, and Xiaohongshu. It is your greatest support. Group number: 328333915, welcome to invite 3D printing circle friends to join. Note: If you are using it to heat Saturn 3u, please make sure to buy a 90-degree angled power plug, otherwise the power cord will press on the lid and the lid will not be closed tightly, or you can directly pull out 12V positive and negative poles without a plug.