20x20 slot corner joint brace reinforcement V0.1

i made this for my diy custom made design core xy 3d printer and real cnc all in one, to fit with this 20x20 corner joint :

i've found some months ago a kickstarter campaign to make reality the final 'commercial open source' machine version of my 3d/cnc all in one 500mm x 500mm x 500mm printer, build up from my ''proto'' machine that you can make with the pieces i have uploaded in my profile and some other ones you can found here on thingiverse, ill be making a post of this soon to agrup ever