I made two of these planters. One is straighter and the other is a little saggy. The first one I made used a container to hold the bag of cement while molding and curing.
For the other one, I didn’t use an outer container in order. If you want the one that stands up more straight, then use an outer container.
Though I used a straight sided ice cream container for this, I recommend using something like a 1lb sour cream container.
The sides are tapered and to demold it, you’ll be able to pull it right out.
With my non-tapered container, I had to cut through it to be able to get the bag of cement out.
Things to know before you start this tutorial
This is one of the easiest planters to make and is such a bonus at how unique it turns out. But here’s the caveat- demolding this is a bear!
Even lubricant doesn’t help. Additionally, I don’t recommend using it for this, as it easily pools up on the pocketed areas of the cement planter and leaves dark oily spots.
The bag will come off, but you will need to work at it. It will probably take you 20-30 minutes to remove.