I have not personally used it, but Flexispot has a 4-leg adjustable base: https://www.flexispot.com/flexispot-4-leg-standing-desk-e7plus https://www.flexispot.c

I have not personally used it, but Flexispot has a 4-leg adjustable base: https://www.flexispot.com/flexispot-4-leg-standing-desk-e7plus https://www.flexispot.com/flexispot-4-leg-standing-desk-e7pl...