I own a Varmilo VA88M and I would like to replace the spacebar with a smaller one to have a bigger left alt key, similar to the MBP keyboard. I've already goog

I own a Varmilo VA88M and I would like to replace the spacebar with a smaller one to have a bigger left alt key, similar to the MBP keyboard. I've already googled for a shorter spacebar keycap, but without luck. Does anybody have a suggestion?