Plank Make

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The Plank Make spell requires level 86 Magic and the completion of Dream Mentor. It will convert one log that can normally be converted at the sawmill into a plank of the same type. There is still a cost to convert a plank in addition to the runes to cast the spell: it costs 70% of the coins that the sawmill operator would charge. However, this saving is negated by the rune cost of the spell. Therefore, people generally use Plank Make not to make money by making planks, but rather to train Magic, resulting in faster experience than casting High Level Alchemy.

Plank Make may be cast once every three game ticks, or 1.8 seconds. Including banking time, up to about 1,850 Plank Makes may be cast per hour with optimal rates, giving up to about 166,000 Magic experience per hour.

Alternatively, players can cast the spell once and they will automatically make the rest of the planks in their inventory, although this is two ticks (1.2 seconds) slower and results in slowing the process down by a bit at the cost of being lower effort, giving up to 90k Magic experience per hour.

Log Plank Cost in coins
Plank Make Sawmill
Logs Plank 70 100
Oak logs Oak plank 175 250
Teak logs Teak plank 350 500
Mahogany logs Mahogany plank 1050 1500

As with all Lunar spells, the quest Lunar Diplomacy must be completed to access the Lunar spellbook. However, a player must have also finished Dream Mentor to cast this Spell.

Cost[edit | edit source]

Spell cost
1Nature rune.png2Astral rune.png15Earth rune.png591
Combo runes
1Nature rune.png2Astral rune.png15Dust rune.png591
1Nature rune.png2Astral rune.png15Mud rune.png4,641
1Nature rune.png2Astral rune.png15Lava rune.png591
1Nature rune.png2Astral rune.pngStaff of earth.pngAlt516
0.93Nature rune.png2Astral rune.png15Earth rune.pngBryophyta's staff.png577

Cost analysis[edit | edit source]

  • Cost analysis assumes the use of a staff that supplies earth runes.
Item Materials Required Material Cost Profit/Loss GP/XP
Plank.png Plank 2Astral 1Nature Logs.png 70 646 -299 -3.32
Oak plank.png Oak plank 2Astral 1Nature Oak logs.png 175 781 -249 -2.77
Teak plank.png Teak plank 2Astral 1Nature Teak logs.png 350 1,103 -160 -1.78
Mahogany plank.png Mahogany plank 2Astral 1Nature Mahogany logs.png 1,050 1,975 178 1.98

Changes[edit | edit source]

Date Changes
2 May 2019
(update | poll)
Plank-make is now automated once cast, and occurs approximately 2 ticks slower than a manual cast.
2 August 2013
(update | poll)
You can now disable the price confirmation messages for the Lunar make-plank spell.