Uploaded December 2025 | Updated September 2026, 4 days ago
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Next on the firepit project, I want to build a curved retaining concrete wall that goes around the perimeter of the concrete slab and drops off as the hillside behind it does. The wall will also break and follow up the sides of the stairs. To do this, I need to build circular forms which I will frame like a wall, the big difference being that the bottom plate and the top plate will be curved. I cut these curved pieces on the CNC table and then assemble the wall using 2x4 studs. I sheath the wall with 1/2" cdx. Once I got the forms out to the firepit, I brace them into the hillside and use snap-ties to tie the inner and outer forms together. It was a rainy day for the concrete to be deliverd, the but the pour went well and the forms held together. Two days later, I pulled the forms off and was happy with how the concrete retaining wall turned out.
Don’t miss the chance to wrap up the year with a great deal on Bambu Lab printers! awin1.com/cread.php?awinmid=46345&awinaffid=2411641&ued=https%3A%2F%2Fus.store.bambulab.com%2Fpages%2Fend-of-year-sale
Check out the Bambu H2D 3D printer here: awin1.com/cread.php?awinmid=46345&awinaffid=2411641&ued=https%3A%2F%2Fus.store.bambulab.com%2Fproducts%2Fh2d%3Fsrsltid%3DAfmBOopLmNIpGqqKH9Is5yHrI3n9TxeisxiMLnj9qzaG80TwoJuxSgbL
#bambulab #bambulabH2D #makerworld #bambustudio #bambulabp1s #bambulabX1c #bambulabs
Next on the firepit project, I want to build a curved retaining concrete wall that goes around the perimeter of the concrete slab and drops off as the hillside behind it does. The wall will also break and follow up the sides of the stairs. To do this, I need to build circular forms which I will frame like a wall, the big difference being that the bottom plate and the top plate will be curved. I cut these curved pieces on the CNC table and then assemble the wall using 2x4 studs. I sheath the wall with 1/2" cdx. Once I got the forms out to the firepit, I brace them into the hillside and use snap-ties to tie the inner and outer forms together. It was a rainy day for the concrete to be deliverd, the but the pour went well and the forms held together. Two days later, I pulled the forms off and was happy with how the concrete retaining wall turned out.










