Across
Makes special parts from spare plastic? (8)
I haven't cracked this one yet — but Fifteensquared have:
*(special parts) = *(spare plastic)
Benefactor flawlessly working to protect Republican (6)
I haven't cracked this one yet — but Fifteensquared have:
PAT ("flawlessly") + ON ("working") to protect R (Republican)
Entitled hoo-ha about traditional grub (4-2-3-4)
Current prejudices dismissing first hint of affection for bin chickens? (6)
Everything is in place for learning very old language (8)
Back, bottom, and top of a diamond? (6,4)
Watch episodes pretty vacuously (4)
I haven't cracked this one yet — but Fifteensquared have:
E (pisode) S P (rett) Y [ vacuously ]
Each phone download carries over (1,3)
I haven't cracked this one yet — but Fifteensquared have:
APP ("phone download") carries O (over, in cricket)
Improper form of online chat (3-7)
Idiot comedian Seth is a gas! (8)
More wary about guide regularly deserting halfway through (6)
I haven't cracked this one yet — but Fifteensquared have:
Ca. (circa, so "about") + G (u) I (d) E [ regularly ] + (dese) R (ting) [ halfway through ]
Immediate tension as a nut runs wild (13)
Uncovered fuels catch fire (6)
I haven't cracked this one yet — but Fifteensquared have:
[ uncovered ] (l) IGNITE (s) ("fuels")
Colour quality of tattoos on chap’s back and head (8)
I haven't cracked this one yet — but Fifteensquared have:
INK ("tattoos") on (cha) P [ 's back ] and NESS ("head")
Down
Incompetent A-lister? (7)
Green jumper made from recycled rags by customer (11)
I haven't cracked this one yet — but Fifteensquared have:
*(rags) [anag: recycled ] by SHOPPER ("customer")
House is different when the front is removed (5)
I haven't cracked this one yet — but Fifteensquared have:
(v) ARIES ("different", when the front is removed )
Fruit positioned alongside poison shrub, mostly (7)
Power goes to the head of local club chairperson (9)
Couple of leading pieces from this week’s Observer (3)
Old writer given drink finally starts talking (5,2)
Formal clothing good to have after ironing (7,4)
Disparage one framework supporting study (9)
Pressure now on doubles partners, perhaps (7)
In town, is ignoring every odd character best? Always! (3-4)
I haven't cracked this one yet — but Fifteensquared have:
(i) N (t) O (w) N (i) S [ ignoring every odd character ] + TOP ("best")
They don’t like people getting on (7)
Works partly shown on a carousel going round (5)
Go on an icy run and nearly lose traction (3)
I haven't cracked this one yet — but Fifteensquared have:
[ nearly ] SKI (d) ("lose traction")
Type letters or click words in the clue