A mother's day saying lightbox! Designed in Fusion 360.
You can use the part listed in this profile, but in all honesty, I find these LEDs to be great, and the opening in the back of the box was designed around them (They are the ones I actually use).
https://a.co/d/g53lgaE
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.