Production Chains
Step-by-step Sandustry production chains and recipes that turn raw sand and ore into processed materials, gold and advanced factory outputs.
Introduction
Production chains are the recipes of Sandustry — the ordered sequences of machines and materials that transform raw sand and ore into processed goods. The simplest chain is sand-to-gold; the most elegant ones are closed loops where byproducts feed back into the system. Because every step can be automated with belts, filters, pipes and drones, a well-designed chain runs forever without your intervention. The production-chains category documents each recipe in full: the required inputs, the machines that process them, the outputs produced and the step-by-step layout that keeps the whole line running smoothly.
Core Production Chains
| Chain | Input → Output | Key Steps |
|---|---|---|
| Sand → Gold | Sand → Gold | Mine, sift, filter |
| Slag Loop | Slag → Resources | Burn, process, recycle |
| Water Cycle | Ice → Water → Steam | Melt, pump, boil |
| Glass Making | Sand → Glass | Smelt, cool, shape |
Chain Blueprints
Sand-to-Gold
The first chain every player builds and the backbone of early progression. Mine sand, carry it to a sifting station, and filter gold from the waste stream. Automating this single chain transforms your early game from manual grinding into steady, passive income. Route the filtered waste back to the sifters to catch any remaining gold and keep the line efficient.
Slag Processing
Slag is the byproduct of burning processes, but it is not waste — it can be burned and processed into new resources. A slag loop turns what would clog your factory into a steady supply of secondary materials, closing the production circle. Keep slag separate from ore belts so it does not clog your primary smelting lines.
Water Production
Water is required by many chains and constantly consumed — sand absorbs it, and boiling turns it into steam. A robust water line starts with ice from cold biomes, melts it near your factory, and pipes the water where it is needed. Boiling produces steam for advanced processes, completing the simulated water cycle as a production chain.
Glass Production
Sand is not only for sifting — it can be smelted into glass, a processed material used in more advanced construction and production. The glass chain is a good example of a single raw material branching into multiple valuable outputs depending on how you process it. Branch your sand belts to feed both sifting and smelting.
Core Mechanics
Production chain design is about balancing inputs and outputs. Each machine consumes materials at its own rate, so a well-designed chain feeds just enough raw material without starving or jamming. Closed-loop chains recycle byproducts back into the system, and branching chains split one raw material into several products. The pixel simulation adds physical constraints — fluids flow, sand falls and items queue on belts — that you must design around. Understanding these constraints is what separates a chain that hums along from one that constantly jams or starves, and the category's guides focus on the practical layouts that keep every stage of the chain fed.
Advantages
Sandustry's production chains reward careful design more than raw grinding. Because every step can be automated and byproducts can be recycled, an optimized chain effectively runs forever and compounds its output. The physics makes chains feel alive — you watch sand move, water boil and steam rise — and closed-loop designs are deeply satisfying to build and watch run. The chain system also has a natural sense of discovery: as you combine materials in new ways, you unlock more advanced recipes, which gives the production-chains category a strong progression arc from simple two-step lines to sprawling multi-material loops.
Challenges
Designing efficient chains takes practice. New players often misjudge ratios, either starving downstream machines or jamming belts with surplus. Fluid chains add complexity because sand absorbs water and steam behaves differently from liquid. Expanding to underground vaults requires planning vertical logistics so your chains can reach deeper resources without rebuilding the surface. And because the game is pre-release, exact recipe ratios and machine throughput are still being balanced, so some chain layouts may need adjustment after a hotfix changes a machine's speed or cost.
Frequently Asked Questions
What is the first production chain I should build?+
How do I make a chain run automatically?+
What is a closed-loop chain?+
Quick Tips
Start with the sand-to-gold chain and automate it fully before expanding to other production lines — it is the cheapest complete automation setup and funds everything else.
Use filters on shared belts to split mixed outputs instead of building a separate belt for each material; a filter chain sorts three resources with a third of the floor space.
Design chains in straight lines with room to grow; retrofitting bends and splitters is more work than planning the line's final length up front.
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