Also known as: 定規
An instrument used in mathematics and engineering to measure distances or to draw perfectly straight lines.
A ruler is usually relatively short. See Measuring Stick for long rulers.
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Ruler
8,238 posts3 sourcesWiki updated 12/17/2025
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15 visible posts on page 157
monika (doki doki literature club)
doki doki literature club · by pastelandsins · rule34.xxx
inkling
splatoon · by dop · rule34.xxx
spacecuyo
by spacecuyo · rule34.xxx
original character
by abi kamesennin · rule34.xxx
emma frost
marvel · by derek pashano · rule34.xxx
Artwork
rule34.paheal.net · rule34.paheal.net
Artwork
rule34.paheal.net · rule34.paheal.net
Artwork
rule34.paheal.net · rule34.paheal.net
Artwork
rule34.paheal.net · rule34.paheal.net
Artwork
rule34.paheal.net · rule34.paheal.net
kochiya sanae
touhou · by mizuki hitoshi · safebooru.org
serena (pokemon)
pokemon · by koutarosu · safebooru.org
original
original · by ng (chaoschyan) · safebooru.org
kaga (kantai collection)
kantai collection · by ina (1813576) · safebooru.org
ruler (fate/apocrypha)
fate/apocrypha · by hplay · safebooru.org