Proper Care of Drafting Instruments


The proper care and maintenance of drawing instruments, supplies and equipment are the following:

1.   Pencil

a.   Never sharpen the pencil over the drawing or close to any of your equipment.

b.   Always keep the lead sharp.

2.   T-square, triangles and French curves

a.   Do not use the T-square for any rough purposes.

b.   Never cut paper along its working edge, since the plastics can easily be damaged.
Even light nick can ruin the T-square.

3.   Ruler or scale

a.   Scales should not be pricked with needle points of either the divider or compass
when measurements are taken.

b.   Do not use scale as a ruler.

4.   Speedball pens and lettering pens

a.   After using, clean the speed ballpen by wiping-off or scraping the ink on it with
clean cloth, which is a little wet or you may use blade for scrapping.

b.   Lettering pens, like technical pens, should be clean at once with clean water and
soap. Wipe it off with clean cloth.

5.   Fen holders

Always keep it together with speedball pens.

6.   Dividers and compasses

a.    Do not oil the joints of the legs of the dividers.

b.   Do not use the divider as substitute for thumbtacks in fastening the drawing
paper on the drawing board or table top.

c.    The needle points must be sharp and of equal length.

7.   Ruling pen

a.   Sharpen the nibs or blade of the ruling pen when it is no longer in a parabolical

b.   Rub the dried ink on the nibs with the use of paper to avoid clogging at its end
when in use.

8.   Drawing paper

a.   It should be stored in rolled form.

b.   It should not be crumpled or wet or kept in a moist or cold place.

c.   Oslo papers or bond papers must be kept in a large envelope.

9.   Masking tape or scrotch tape, eraser and erasing shield

a.   Should be kept together with other supplies to avoid losing it.

10. Water color

a.   Tube water colors should be left uncovered to avoid drying up.

11. Drawing board or drawing tape

a.   It should always be in good (drawing) working condition.

b.   It must always be clean on or before using.

c.   Do not leave any kind of marks on your board to retain its smoothness.


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Comments 20 comments

darkangel 6 years ago

th4nk y0u f0r l0ve

zick 5 years ago

thanks for your simple yet comprehensive article...

teesqr 5 years ago

With this article, I m prepared for 2 wks lesson with my Technical Drawing students.

Bobby 4 years ago

Thanks,with dis i have been able to attempt my assignments

Henry david 4 years ago

Thanks, i still need more facts

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Kiran Thapa 4 years ago

Nice article, simple and very usefull information.

Gordons 4 years ago

Tnx alote 4 ur educatin and informativ info

Ayodele ifeoluwa 4 years ago

I guess with this site ,have succeded in doing my assignment in technical drawing as well as gaining more facts about the course

olajide sirmuel 4 years ago

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osoba abiodun 4 years ago

thank you,but i need more

tintin_11 4 years ago


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Awais Ahmed 24 months ago

thanks, i have learn many things from here.

Awais Ahmed 24 months ago

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vic 11 months ago

thanks for your,i am done with my assignments

mandy lohan 5 months ago

nice info but very short maybe make them longer nxt time. oh and how old is this site? i saw a comment about 6 yrs ago.

zabyokyere 5 months ago

thank u!!it was very helpful

koi 3 months ago

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Etimbuk Ime Mendie 2 weeks ago

I used it to do my project at holiday at Aunty Sediong house because it was so hard.

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