// Items · #2799

Mechanical Ruler

LaserRuler
Pre-Hardmode progression tier
Mechanical Ruler
Item
  • Creates measurement lines on screen for block placement
"Catalogued by the keepers of the Codex."

Combat & use

Melee
Damage 35
Defense +20
Knockback 4.75
Use time 6ticks
Use anim. 25ticks
Projectile #445
Shoot speed 36
Mana cost 6
Pickaxe power 230%
Axe power 135%
Hammer power 100%
Uses ammo #771
Rarity tier 1
Buy price 10
Sells for 2
auto-reuse consumable channeled no melee accessory

Used to craft · 1 item

downstream recipes →

Best prefixes

reforge target
Menacing +4% damage — best offensive accessory prefix
Warding +4 defense — best defensive accessory prefix
Lucky +4% crit chance — best critical-strike accessory prefix
Quick +4% movement speed — best mobility accessory prefix

Interactive tools

plan your build

Frequently asked

common questions
How do you get Mechanical Ruler in Terraria? +

It is sold by Mechanic.

What progression tier is Mechanical Ruler? +

Mechanical Ruler sits in the Pre-Hardmode tier of Terraria progression based on its rarity rating (1).

What is the best prefix for Mechanical Ruler? +

Menacing is the strongest prefix for Mechanical Ruler — +4% damage — best offensive accessory prefix.

What is the damage and DPS of Mechanical Ruler? +

Mechanical Ruler deals 35 base damage, 6-tick use time. Use the DPS calculator to see expected damage per second with prefixes and crit applied.

What can you craft with Mechanical Ruler? +

Mechanical Ruler is used as an ingredient in 1 recipe. See the "Used to craft" section above for the full list.