My Time at Portia Wiki
My Time at Portia Wiki

Grinder is crafting station that process ingots into advanced parts. It can also be donated to the Museum.


Grinder can be crafted using the Assembly Station. Its diagram is known to the player at the start of the game.

Assembly StationAssembly Station Assembly Station
Item Materials


Grinder is primary used as a crafting station or as a material for crafting Comprehensive Grinder. It can also be donated to the Museum or requested in a commission.


Crafting station[]

Grinder is used to process smelted ingots into other crafting materials. It can also produce ammunition for ranged weapons.

Grinder uses Power Stones as fuel (up to 2). Crafting requires the grinder to be fueled for a certain amount of time. Upon running out of fuel, the production is halted mid process until more fuel is added.

Only one type of item can be produced at a time. Up to 25 of the same item can be queued to craft at one time.

Grinder can also be placed inside the Factory. It provides 6 Grinder slots for crafting when placed.

GrinderGrinder Grinder
Item Time Materials Sell price
1h  23Gols
1h 30m 38Gols
1h  23Gols
2h 30m 86Gols
3h 30m 102Gols
1h  14Gols
1h  32Gols
1h  1Gols
1h  27Gols
50 Ammo
1h  2Gols

Assembly Station[]

Grinder is a required ingredient when crafting the following item:

Level 2 Assembly StationLevel 2 Assembly Station Level 2 Assembly Station
Item Materials
Comprehensive GrinderComprehensive Grinder
Comprehensive Grinder


Grinder is occasionally requested on the Commissions Board in a Rank D commission.


Grinder can be donated to the Portia Museum as a Medium Assembled Item. When donated, the player earns Prompt guild Reputation +10.