Fifteensquared

I am not sure what the theme was here : quite a number of art references, a couple of birds, and the rest
a miscellany.  Some very familiar solutions made it quite simple to solve.

ACROSS

1.      HANG UP - (hang up the phone,or hang a tapestry (12))
5.      GRAFFITI - ( g-raf-fit-i)
9.      SHERATON - ( *North Sea - master craftsman of furniture)
10.    DESIGN  - ( de-s-ign)
11.    TATAMI - ( tata-mi.  A thick straw mat found in Japanese homes)
12.    TAPESTRY  ( tapes -try. ‘ go’ often used for ‘try’ in crosswords)
14.    CARICATURIST - ( *a star circuit)
18.    FRENCH POLISH - (dd)
22.    ABSTRACT - ( dd. ‘appropriate’ in the sense of ‘take’ and ‘a summary’)
25.    LEADED - ( lead-e-d)
26.    MEDIUM - ( dd)
27.    EMULSION - (a coat of paint which could be beneath tapestry)
28.    ETCHINGS - ( * ch- tignes)
29.    SALVER - ( sa-l-ver. )

DOWN

2.     ASHRAM - ( a- sham  with ‘r’ for runs.  A Hindu place of retreat)
3.     GYRFALCON - ( * on flag cry. One of those birds encountered mainly in crosswords)
4.     PATRIARCH - ( p[LANNING]-*chair art)
5.     GENETIC - ( gen-<cite)
6.     ADD UP- cd
7.     FUSES - ( f-uses.  Am I wrong, or should this just be one female?)
8.     TIGERISH - (*get Irish)
13.   EMU - ( ‘eu’ with’ m’ - another of those birds)
15.   TRIAL RUNS - ( cd)
16.   REHEARSAL - self explanatory
17.   DRABBEST - ( * bar debts)
19.   CAR- (car-E)
20    OUTLETS - ( out-lets - cd.  This is also becoming an oft-repeated answer)
21.   DEPOSE - ( d-UTY-eNGINEERS’-pose. As in ’strike an attitude’)
23.   THIGH - ( t-high. ‘off; as in ‘rotten’)
24.   AKMEN - ( a-k-men. Not certain whether I have the right capital, but Akmen is the capital of a
                              region in Lithuania, know for its mining.)