3 sentences

1. 他画出的线条细细的，非常好看。

   tā huà​chū de xiàn​tiáo xì​xì de, fēi​cháng hǎo​kàn.

   The lines he drew were thin and very beautiful.

   Source: Dong Chinese Dictionary

2. 这位设计师可以徒手画出非常精准的线条。

   zhè wèi shè​jì​shī kě​yǐ tú​shǒu huà​chū fēi​cháng jīng​zhǔn de xiàn​tiáo.

   This designer can draw very precise lines freehand.

   Source: Dong Chinese Dictionary

3. 老师要求我们用直尺和圆规画出一个等边三角形。

   lǎo​shī yāo​qiú wǒ​men yòng zhí chǐ hé yuán​guī huà​chū yī gè děng​biān sān​jiǎo​xíng.

   The teacher asked us to draw an equilateral triangle using a ruler and a compass.

   Source: Dong Chinese Dictionary