LED Base for Tea Light Shade

This is an LED base for the Voronoi Tea light shade by O3D.
https://www.thingiverse.com/thing:1535835

I designed this to use a standard DC power supply with barrel plug adapter.

This is a good example:
https://www.amazon.com/AspenTek-Supply-Adapter-Cabinet-Lighting/dp/B0180ASJF4/ref=sxts_sxwds-bia-wc-drs2_0?cv_ct_cx=12v+power+supply&dchild=1&keywords=12v+power+supply&pd_rd_i=B0180ASJF4&pd_rd_r=bf5e3be2-33af-4feb-aa00-f27276dfdd3f&pd_rd_w=8X9eY&pd_rd_wg=zmD0i&pf_rd_p=f3f1f1cd-8368-48df-ac69-94019fb84e3f&pf_rd_r=SZTFXK0Q202A2W9PHX8T&psc=1&qid=1598547231&sr=1-2-f7123c3d-6c2e-4dbe-9d7a-6185fb77bc58