Heavy Modular Frame factory was never so easy in Satisfactory. This setup use total of 4 blueprints for 4 factories in the production chain. Reinforced Iron Plate - Modular Frame - Concrete - HMF. Easy, fast, efficient and 22.5 HMF / min on the output. Can be easily scaled to HMF / min with mark 5 belts!
Blueprints in the pinned comment down below.
part one with RIP and MF breakdown here:
00:00 - 1:55 - Setup summary
1:55 - 5:43 - Concrete Setup
05:43 - 10:00 - HMF Setup
10:00 - 12:11 - In-game and out-game setup instructions