Portable
Tsim nyog rau cov tub ntxhais kawm 'sketching sab nraum zoov lossis kev siv tshuaj ntsuam xyuas, nws muaj lub pluaj nqa tau yooj yim. Nws siv daim ntawv sib nqus-clamping qauv, uas yog mos ntawm daim ntawv thiab ruaj ntseg tuav nws nyob rau hauv qhov chaw. Lub pluaj nqa yog adjustable kom haum tus me nyuam qhov siab. Qhov downside yog txwv qhov chaw kos duab.
Upright
Upright daim duab boards tuaj yeem yooj yim folded, thiab cov qauv pyramid ruaj khov heev. Qhov siab kuj yog adjustable kom haum tus me nyuam qhov siab. Lawv feem ntau yog ua los ntawm ob - cov khoom siv sab thiab tuaj nrog lub tais thiab ko taw npog los tiv thaiv khawb hauv av. Cov menyuam yaus tuaj yeem kos zaum lossis sawv. Lub downside yog txwv cheeb tsam kos duab thiab kev thauj mus los tsis yooj yim.
Phab ntsa-mounted
Nws tuaj yeem txuas rau phab ntsa, muab qhov chaw muaj tswv yim loj heev. Kev kos duab tsis txwv los ntawm qhov chaw, thiab nws tau npaj siv tam sim tom qab kev teeb tsa. Cov khoom siv yog ib puag ncig tus phooj ywg thiab yooj yim los so huv yam tsis muaj qhov cim tseg. Lub downside yog tias nws siv ntau qhov chaw.
