diff --git a/app/models/work_package/exporter/formatters.rb b/app/models/work_package/exporter/formatters.rb
index 0b6e86ac26..7b1f2beab0 100644
--- a/app/models/work_package/exporter/formatters.rb
+++ b/app/models/work_package/exporter/formatters.rb
@@ -1,10 +1,18 @@
 module WorkPackage::Exporter
   module Formatters
+    def self.default_formatter_strings
+      @default_formatter_strings ||= %i[default costs estimated_hours].map do |key|
+        "WorkPackage::Exporter::Formatters::#{key.to_s.camelize}"
+      end
+    end
+
+    def self.all_formatter_strings
+      @all_formatter_strings ||= default_formatter_strings
+    end
+
     def self.all
-      @formatters ||= begin
-        %i[default costs estimated_hours].map do |key|
-          Kernel.const_get("WorkPackage::Exporter::Formatters::#{key.to_s.camelize}")
-        end
+      all_formatter_strings.map do |formatter_string|
+        Kernel.const_get(formatter_string)
       end
     end
 
@@ -12,8 +20,8 @@ module WorkPackage::Exporter
       all.map(&:key)
     end
 
-    def self.register(clz)
-      @formatters << clz
+    def self.register(class_string)
+      @all_formatter_strings = all_formatter_strings + [class_string]
     end
 
     ##
diff --git a/app/models/work_package/exporter/formatters/default.rb b/app/models/work_package/exporter/formatters/default.rb
index 789b493203..320bc9b955 100644
--- a/app/models/work_package/exporter/formatters/default.rb
+++ b/app/models/work_package/exporter/formatters/default.rb
@@ -41,4 +41,4 @@ module WorkPackage::Exporter
       end
     end
   end
-end
\ No newline at end of file
+end
diff --git a/modules/bim/lib/open_project/bim/engine.rb b/modules/bim/lib/open_project/bim/engine.rb
index e9bc9723bd..af4e75a9ba 100644
--- a/modules/bim/lib/open_project/bim/engine.rb
+++ b/modules/bim/lib/open_project/bim/engine.rb
@@ -213,6 +213,7 @@ module OpenProject::Bim
     config.to_prepare do
       ::WorkPackage::Exporter
         .register_for_list(:bcf, OpenProject::Bim::BcfXml::Exporter)
+      ::WorkPackage::Exporter::Formatters.register("OpenProject::Bim::WorkPackage::Exporter::Formatters::BcfThumbnail")
 
       ::Queries::Register.filter ::Query, ::Bim::Queries::WorkPackages::Filter::BcfIssueAssociatedFilter
       ::Queries::Register.column ::Query, ::Bim::Queries::WorkPackages::Columns::BcfThumbnailColumn
diff --git a/modules/bim/lib/open_project/bim/work_package/exporter/formatters/bcf_thumbnail.rb b/modules/bim/lib/open_project/bim/work_package/exporter/formatters/bcf_thumbnail.rb
new file mode 100644
index 0000000000..2050145f9e
--- /dev/null
+++ b/modules/bim/lib/open_project/bim/work_package/exporter/formatters/bcf_thumbnail.rb
@@ -0,0 +1,11 @@
+module OpenProject::Bim::WorkPackage::Exporter::Formatters
+  class BcfThumbnail < WorkPackage::Exporter::Formatters::Default
+    def self.apply?(column)
+      column.is_a? ::Bim::Queries::WorkPackages::Columns::BcfThumbnailColumn
+    end
+
+    def format(work_package, _column, **_options)
+      work_package&.bcf_issue&.viewpoints&.any? ? "x" : ''
+    end
+  end
+end
diff --git a/modules/bim/spec/lib/open_project/bim/work_package/exporter/formatters/bcf_thumbnail_spec.rb b/modules/bim/spec/lib/open_project/bim/work_package/exporter/formatters/bcf_thumbnail_spec.rb
new file mode 100644
index 0000000000..bedcb71cd4
--- /dev/null
+++ b/modules/bim/spec/lib/open_project/bim/work_package/exporter/formatters/bcf_thumbnail_spec.rb
@@ -0,0 +1,62 @@
+#-- copyright
+# OpenProject is an open source project management software.
+# Copyright (C) 2012-2021 the OpenProject GmbH
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2013 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See docs/COPYRIGHT.rdoc for more details.
+#++
+
+require 'spec_helper'
+
+describe OpenProject::Bim::WorkPackage::Exporter::Formatters::BcfThumbnail do
+  let(:bcf_thumbnail_column) { ::Bim::Queries::WorkPackages::Columns::BcfThumbnailColumn.new("Some column name") }
+  let(:not_bcf_thumbnail_column) { "This not a BcfThumbnailColumn" }
+
+  describe '::apply?' do
+    it 'returns TRUE for any other class' do
+      expect(described_class.apply?(bcf_thumbnail_column)).to be_truthy
+    end
+
+    it 'returns FALSE for any other class' do
+      expect(described_class.apply?(not_bcf_thumbnail_column)).to be_falsey
+    end
+  end
+
+  describe '::format' do
+    let(:work_package_with_viewpoint) { FactoryBot.create(:work_package) }
+    let(:bcf_issue) { FactoryBot.create(:bcf_issue_with_viewpoint, work_package: work_package_with_viewpoint) }
+    let(:work_package_without_viewpoint) { FactoryBot.create(:work_package) }
+
+    before do
+      bcf_issue
+    end
+
+    it 'returns "x" for work packages that have BCF issues with at least one viewpoint' do
+      expect(described_class.new.format(work_package_with_viewpoint, bcf_thumbnail_column)).to eql('x')
+    end
+
+    it 'returns "" for work packages without viewpoints attached' do
+      expect(described_class.new.format(work_package_without_viewpoint, bcf_thumbnail_column)).to eql('')
+    end
+  end
+end