floral margenta and geometry seamless pattern with liliac and triangles on gray. hand drawn line art

flower liliac triangles pattern margenta seamless background wedding design retro vintage summer ornament nature winter banner leaf spring card triangle invitation greenery geometric save date botanical illustration green line watercolor template invite bouquet shape structure pink gold glitter blossom geometry composition trendy marriage decoration branch style celebration isolated floral gray hand drawn art polygonal triangles sketch style for graating cards