First, decide up one or two strong plastic patio chairs just like the SKARPÖ from IKEA. Whenever you flip the chair over in order that the underside is going through up, the thicker construct of the chair acts as an ideal chair mould. Then open and put together one bag of quick-drying cement at a time till you have got stuffed up the gaps. You might use a protracted picket keep on with dab into the mould after you pour the cement in an effort to do away with all of the air bubbles, which — if left untouched —may result in little divots or air pockets on the floor of the ultimate product. Vibrating actions can even assist to do away with air pockets, so be at liberty to shake the construction gently in order that the cement can work by way of the mould. That is most likely probably the most vital steps on this venture. You need your outcomes to be good and clean, so do not skip this stage.
When you attain the legs of the chair, make a easy reinforcing mould utilizing water bottles, as proven by @thesorrygirls TikTok. After they’re duct taped and safe, pour extra cement into the world, then permit the entire chair to dry and harden for one to 2 days. To take away the plastic chair from the cement, simply gently work across the edges with a flat-head screwdriver so you do not threat breaking the mould.