Nalka Miiska Switch waa nal miis oo isku daraya iftiin ilaalinta indhaha iyo iftiin deegaanka wax kiiba hal alaab. Kor u qaadista madaxa nalka ayaa soo bandhigaysa isha iftiinka si toos ah loo iftiimiyo, taasoo ku habboon akhriska, shaqada iyo daraasadda. Xirista madaxa nalka waxay dhiibaysaa isla iftiinkaas iyada oo laga wareejinayo dabool kala firdhiya iftiinka, taasoo soo saarta iftiin jilicsan oo deegaan ah oo ku habboon nasashada. Labada nooc ee shaqadu waxay wadaagaan hal ilo iftiin. Nalku wuxuu le'eg yahay 110 by 150 by 248 millimitir, waxaana laga sameeyay caag (plastic) adkaysi leh oo si dabiici ah u kala baxa (biodegradable). Switch waa mid la qaadi karo oo la geeyn karo meelo kala duwan si loogu adeegsado baahiyaha kala duwan ee guriga.
Magaca mashruuca : Switch, Magaca naqshadeeyayaasha : Di Lu, Magaca macmiilka : School of Future Design, Beijing Normal University.
Naqshadan wanaagsan tani waa guusha abaal-marinta naqshadeynta ee tartanka naqshadeynta alaabta iftiinka iyo rakibaadyada iftiinka. Waa inaad si xasuus ah u booqataa buug-xafidka naqshadaynta ee naqshadayaasha abaal-marinada leh si aad u ogaato wax badan oo kale oo ah alaabooyin iyo qalab iftiiminta ah oo cusub, hal-abuur leh, asli ah iyo kuwo xariir leh.