These are the 7 trumpets mentioned in Revelation chapter 8:1-2 (see Bible reference below ), which mighty angels blow and judgements occur on the earth according to God’s will. After each one is sounded, a particular event occurs on the earth, which lead me to think it would be great to have each trumpet designed with surface detail which would reflect the judgement coming upon the earth. For example after the first trumpet is sounded hail and fire mixed with blood was hurled down upon the earth, so the first trumpet I have drawn has lightning embossed on the trumpet, with little hailstones and the end of the trumpet has a fiery pattern to it.
I read Revelation 8-11 in order to discover what particular events happened on earth after each one is blown, and then drew a design on the surface of each trumpet to match the events.
The text which relates to the events on the earth (in bold) can be read below, for Revelation 8,9 and 11. 
All 7 of these trumpets can be seen in the Bible Cartoon below, which has an orange text box link below it, so you can see the cartoon on the gallery page. Note: there are two versions of this Bible Cartoon, but the only difference between them is the inclusion or absence of the scroll in the bottom left hand corner.
Follow this link to see this Bible Cartoon on the BC Gallery page, with download & purchase options:
Bible Cartoon: Luke 02 – Nativity SET01 – Scene 05 – Angelic host
Revelation 8:1-2 (ANIV)
The Seventh Seal & the Golden Censer
1 When he opened the seventh seal, there was silence in heaven for about half an hour. 2 And I saw the seven angels who stand before God, and to them were given seven trumpets.
Revelation 8:6-12 (ANIV)
6 Then the seven angels who had the seven trumpets prepared to sound them.
7 The first angel sounded his trumpet, and there came hail and fire mixed with blood, and it was hurled down upon the earth. A third of the earth was burned up, a third of the trees were burned up, and all the green grass was burned up.
8 The second angel sounded his trumpet, and something like a huge mountain, all ablaze, was thrown into the sea. A third of the sea turned into blood, 9 a third of the living creatures in the sea died, and a third of the ships were destroyed.
10 The third angel sounded his trumpet, and a great star, blazing like a torch, fell from the sky on a third of the rivers and on the springs of water— 11 the name of the star is Wormwood. A third of the waters turned bitter, and many people died from the waters that had become bitter.
12 The fourth angel sounded his trumpet, and a third of the sun was struck, a third of the moon, and a third of the stars, so that a third of them turned dark. A third of the day was without light, and also a third of the night.
Revelation 9:1-16 (ANIV)
1 The fifth angel sounded his trumpet, and I saw a star that had fallen from the sky to the earth. The star was given the key to the shaft of the Abyss. 2 When he opened the Abyss, smoke rose from it like the smoke from a gigantic furnace. The sun and sky were darkened by the smoke from the Abyss. 3 And out of the smoke locusts came down upon the earth and were given power like that of scorpions of the earth. 4 They were told not to harm the grass of the earth or any plant or tree, but only those people who did not have the seal of God on their foreheads. 5 They were not given power to kill them, but only to torture them for five months. And the agony they suffered was like that of the sting of a scorpion when it strikes a man. 6 During those days men will seek death, but will not find it; they will long to die, but death will elude them.
7 The locusts looked like horses prepared for battle. On their heads they wore something like crowns of gold, and their faces resembled human faces. 8 Their hair was like women’s hair, and their teeth were like lions’ teeth.
9 They had breastplates like breastplates of iron, and the sound of their wings was like the thundering of many horses and chariots rushing into battle. 10 They had tails and stings like scorpions, and in their tails they had power to torment people for five months. 11 They had as king over them the angel of the Abyss, whose name in Hebrew is Abaddon, and in Greek, Apollyon.
12 The first woe is past; two other woes are yet to come.
13 The sixth angel sounded his trumpet, and I heard a voice coming from the horns of the golden altar that is before God. 14 It said to the sixth angel who had the trumpet, “Release the four angels who are bound at the great river Euphrates.” 15 And the four angels who had been kept ready for this very hour and day and month and year were released to kill a third of mankind. 16 The number of the mounted troops was two hundred million. I heard their number.
Revelation 11:15 (ANIV)
15 The seventh angel sounded his trumpet, and there were loud voices in heaven, which said:
“The kingdom of the world has become the kingdom of our Lord and of his Christ, and he will reign for ever and ever.”