polje -plo- gismu

x1 (force) folds/creases x2 at locus/loci/forming crease(s)/bend(s) x3.

For agentive folding (= plogau, plozu'e); use cardinal-value sumti in x3, or rapli, to indicate multiple folds. See also korcu, cinje, boxfo, boxna.


In notes:

boxfo
x1 is a sheet/foil/blanket [2-dimensional shape/form flexible in 3 dimensions] of material x2.
boxna
x1 is a wave [periodic pattern] in medium x2, wave-form x3, wave-length x4, frequency x5.
cinje
x1 is a wrinkle/crease/fold [shape/form] in x2.
korcu
(adjective:) x1 is bent/crooked/not straight or direct/[twisted]/folded.
tagygau
g1 tucks t1 onto/into t2.
zilplo
x1 is folded/creased at loci x2.