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RepVap

A majority 3D printed evaporative cooler.

alt text A RepVap made with a 5 Gallon bucket cooling a B550M plus motherboard chipset and ryzen 3600 clocked at 4650MHz all cores as a daily workstation.

This project is currently under active development. If you need assistance or would like to purchase a kit with all the parts included (assembly required) email me at ward.joshua92@yahoo.com.

requires OpenSCAD and python3 as well as solidpython. essentially on ubuntu:

apt install openscad

apt install python3

pip install solidpython

Each folder contains a configuration file and a python file. Set the values in the configuration.toml then run the python program to generate your STls. A guide on building a RepVap out of a 5 gallon bucket is under development.

Suggested Slicing:

It is recommended to print with adaptive layering with tree supports only touching the bed to allow for precision on the print where needed. These models were sliced in Cura.

INLET FLANGE

Print standing up so the grooves are printed along the z axis.

NOZZLE ARRAY

Print with adaptive layering and a low layer height. Reduce the layer width slightly (ex: 0.35mm on 0.4mm diameter nozzle) nozzles should be touching the bed, this makes the pagoda cones a little difficult (adaptive layering helps) but yields better nozzles.

WATER BRACKET

Print with the screw mounts touching the bed. Ensure good overlap with infill so the screw mounts dont seperate when threaded through.

RepVap is a high flow water chiller for cheap aluminum cooling blocks. Its intended use is for CPUs and the design is made to be very affordable (~$100 for all the bells and whistles).

RepVap is designed with SolidPython an OpenSCAD wrapper. All designs are parametric such that any container could be used (A gable fan on a large trash bin is not out of the question). All variations of the design can be changed in the respective configuration files for different motherboards or applications.

Bill of Materials: https://docs.google.com/spreadsheets/d/1tjXMvY8Ov9ljX92phIoySIcV0aM8psuqZ-wuVCSjxi4/edit?usp=sharing

My initial prototype: https://docs.google.com/spreadsheets/d/1ESvuHrNF-DnBGYz-8B5h_lNTvHFGtqw5J4fCP3uyhEo/edit?usp=sharing

I also recommend the following Youtube videos:

  desertsun02's videos on DIY evaporative cooling.

  Major Hardware's video on 3d printed evaporative coolers and PC water cooling loops.

NOTE: RepVap cannot print itself. the name is simply an omage to the amazing RepRap project and the culture of innovation therein.