Daniel
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When I wanted to equip my Cosplay Blaster with special effects, I quickly realized that smoke would have to be one of them. The one at the tentacle soup was not ideal for this and so I ended up using the technique of an e-cigarette.
The basic idea of converting an e-cigarette into a fog machine is not mine. I was inspired by Artymuscrafts when he presented his version of this idea in a workshop at HeroesXP in 2024. I have only adapted it for myself and, for example, removed the fixed soldering of the coil and replaced it with a plug connection. In addition, the Vaporesso attachments I use save space and can be easily replaced if defective.
After some trial and error, a first test setup worked quite well. The steam is dense and the amount is completely sufficient for my purposes:
Devices
Coil from Vaporesso - comes in different resistors, I took the 1.2 ohm.
3 volt pump - since no one can suck on the mouthpiece, the pump has to generate the vapor by blowing it in.
18650 3.7V Battery - to power the pump and vape coil.
2 pieces 5x10mm bar magnets - hold the coil in the adapter.
2 pieces Pogo pins - for the electrical connection between coil and adapter.
Portable Battery USB Charger - to charge the battery on the go.
Fog liquid: Here I use the base that is intended for e-cigarettes. It consists of propylene glycol and vegetable glycerin in a ratio of 20:80. This mixing ratio ensures a good vapor and a pleasant consistency.
Hose and pneumatic adapter - the adapter is pure comfort, so that you can remove the hose again if necessary. Alternatively, you can also glue the hose firmly to the adapter.
Construction
The vape coil is inserted into the 3D printed adapter. The adapter has 2 rod magnets that hold the coil in place in conjunction with its own built-in magnets. The pogo pins have a spring mechanism that ensures that the coil always remains in contact with the electrical connection.
If you connect the 3.7 volt battery to the pump and coil, vapor is produced, which is expelled through the mouthpiece.
For the Maker Faire 2025 in Hanover, I created a small demonstration setup to show how the Mini fog machine works. The structure consists of a lasered plate and the necessary components of the fog machine:
You can watch the assembly of the board here in time-lapse:
3D Printing Files
You can download the 3D print files I created here. There are two versions of the lower part: one for feeding the hose from below and one for feeding from the side. The upper and lower parts are glued to each other for assembly.
