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You print 2 layers with an air gap between. Themis gap gives room for plumbing and electrical, and also serves as an insulation layer. A thin layer of still air has relatively low thermal conductivity, minimizing heat exchange between inside and outside.

I watched this video a couple weeks ago and it’s pure click bait. He discussed one single instance where a known scammer takes advantage of a poor community and doesn’t do what he said he would. The video completely ignores all the progress the printer manufacturing companies are making and only devotes like 60 seconds at the very end to mention that the industry is improving rapidly.

Here’s a Tested video from last year where Adam visits one of the manufacturers. https://m.youtube.com/watch?v=orurGdrlzIs

I’m not sure about this company but there’s one in the US that has an embedded nozzle laying down steel cabling inside each concrete bead.

Doesn’t look like it’s a consumer grade product, only b2b sales.

Assuming Austin, I found like 5 with a quick search. Assuming San Antonio, I found 3. Not sure if Houston or DFW are blue.

There are also services like pcbway or jlccnc that will print your model and ship it to you

If transparency = penalty then you are doing shady shit.

sure but I did enjoy his ancient civilization show on netflix.

My Jr High had an afterchool gaming club where we played Stronghold Crusaders. I haven’t thought of the Stronghold series since then, but damn was it fun!That game is where I learned what Rout means. I thought “It’s a rout” meant they broke through the outer walls as in “it’s a route to your king”, lol. I’ll definitely be downloading the demo.