About this 3D model

Note!! When using, open the top two baffles, one for exhaust, the other for air intake. Print ABS, or if you mind the printing smell, you can consider using this exhaust plug-in to directly exhaust the gas outdoors. Hardware list: Magnet: 6*2mm, 4 pieces Fan: Household moxibustion duct exhaust fan 25mm diameter, 1 piece Corrugated pipe: 25mm diameter, thick, [purchase meters according to actual needs]