A crowdfunded kit would turn the 2019 Mac Pro's case into a shell for an ordinary PC, with pledges starting at about $500 before shipping.
Practical Prototyping is running the Kickstarter campaign. Mechanical engineer Stefan Bond designed the kit to hold a standard ATX motherboard (the common desktop size) and power supply inside the Mac Pro 7,1 chassis. The conversion is reversible, with no permanent changes to the case. Builders remove Apple's internals first and supply their own processor, memory, graphics card, storage, and power supply. The kit provides mounting hardware and adapters, not a finished computer.
The space limits are specific. Graphics cards can be up to 308mm long and 140mm tall, and air coolers up to 140mm tall. A separate accessory supports a 240mm liquid cooler, and the design fits two SATA drives, in either 2.5-inch or 3.5-inch size. Custom adapter boards reuse Apple's three front fans, the power button, and the indicator light. The two top USB-C ports connect through an interface that supports USB 3.1 Gen 1. Shipping is estimated to begin in March 2027, though crowdfunding pledges do not guarantee delivery.
The timing makes sense. Apple discontinued the Mac Pro in March and said it has no plans for future models. The Intel-based 2019 tower was already behind the Apple silicon version that followed in 2023, and Intel-era owners cannot upgrade their machines with newer chips. A new motherboard in the old case is one way to keep using the hardware.
The math is less friendly. The $500 covers the kit alone, so a full build adds every major component on top. This is a purchase for people who want the enclosure itself, not a budget route to a fast PC.
It also follows an older pattern. Power Mac G5 cases have long been gutted and refilled with PC parts by hobbyists who liked the look more than the machine. Whether the Mac Pro's case ages into the same kind of cult object depends on how many owners are willing to retire the original insides.