If you need a compact temperature controller for a project can this one perhaps be a solution together with my design

[https://www.aliexpress.com/item/4001226880181.html?spm=a2g0o.order_list.order_list_main.4.2fb21802cFmn5d](https://www.aliexpress.com/item/4001226880181.html?spm=a2g0o.order_list.order_list_main.4.2fb21802cFmn5d)

Required hardware:

Heat-inserts: 8 PC M3,*7*4.2 or similar.
Screws: 4 PC M3*10mm and 4 PC M3*8mm  (countersunk)

Material: your choice.

Support: Tree support for the box window. 

Parts in the design:

Box: Select this if you only need two cable outlets
Box2: Select this if you need three cable outlets

Bottom: Bottom lid to the box.

Cable relief: uses two in both design.

Cable relief2: only used together with Box2