IṢẸ́ ỌNÀ
ẸWÀ ÀTI ÌLERA
IṢẸ́ ỌWỌ́
ÀṢÀ ÀTI ÌTÀN
ÌṢERÉ
ÀYÍKÁ
OÚNJẸ ÀTI OHUN MÍMU
REVERSE ENGINEERING
SÁYẸ́ǸSÌ
ERÉ ÌDÁRAYÁ
ÌMỌ̀-Ẹ̀RỌ
ÀWỌN OHUN WÍWỌ̀
Cardboard Tube: Pasted Paper Rolled on a Mandrel
A cardboard tube is layers of paper pasted together round a former: stiff, light and as round as the rod it was rolled on. Kaleidoscopes, periscopes, pinhole cameras and model rocket bodies are built on them.
Olùbẹ̀rẹ̀
An hour, then a day drying
Ìlànà
1
1
Cut the paper
Cut the paper
Cut paper as wide as the tube is long. Wrap a dry first turn round a wooden dowel of the bore you want, so the tube will slide off.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Bébà5 ewéÀwọn irinṣẹ́ tí a nílò:
Ọ̀bẹ Iṣẹ́ Ọwọ́
Ìdíwọ̀n
Èèkàn igi2
2
Paste and roll
Paste and roll
Brush paste over the rest of the sheet and roll it on tightly, smoothing out bubbles. Add more pasted sheets until the wall is as thick as you need, staggering the joins.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Ìdí ìyẹ̀fun àlìkámà100 mlÀwọn irinṣẹ́ tí a nílò:
Búrọ́ọ̀ṣì gọ́mùÈèkàn igi3
3
Dry and slide off
Dry and slide off
Let it dry on the dowel for a day, twist it free and trim both ends square with a sharp knife.
Àwọn irinṣẹ́ tí a nílò:
Ọ̀bẹ Iṣẹ́ Ọwọ́Ìdíwọ̀nÌtọ́nisọ́nà yìí ń ṣe
Blueprint tó jọra
Àwọn blueprint wọ̀nyí pín ìmọ̀ — ọ̀nà, ohun-èlò tàbí ìlànà
CC0 Àgbègbè Gbogbogbò
Blueprint yìí ti jáde lábẹ́ CC0. O lè ṣe àdàkọ, yí padà, pín, àti lò láìsí ìyọ̀ǹda.
Ṣàtìlẹ́yìn Olùṣẹ́dá nípa rírà àwọn ọjà nipasẹ̀ Blueprint wọn Ẹ̀san Olùṣẹ́dá tí àwọn Olùtajà gbé kalẹ̀, tàbí ṣẹ̀dá àtúnṣe tuntun ti Blueprint yìí kí o sì fi sínú Blueprint rẹ gẹ́gẹ́ bí ìsopọ̀ láti pín owó-wíwọlé.